UNIVERSIDAD IBEROAMERICANA A.C. MAESTRIA EN INGENIERÍA DE CALIDAD EXAMEN DE CONOCIMIENTOS GENERALES ENFOCADO A SEIS SIGMA ELABORÓ: DR. PRIMITIVO REYES AGUILAR AGOSTO 2006 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 1. Enterprise-Wide Deployment 1. Review the following assessment statements: o There is low industry rivalry o There are few regulatory requirements o There is currently a positive growth cycle What SWOT analysis area is most clearly being portrayed? a. b. c. d. Strengths Weaknesses Opportunities Threats 2. What quality luminary is generally recognized as having created the control chart? a. b. c. d. Deming Shewhart Juran Ishikawa 3. Why is Six Sigma called TQM on steroids? a. b. c. d. Because of the extensive training element required Because of the inclusion of statistical and lean tools Because of the heavy impact of top management support Because of the impact of cost savings on the bottom line 4. To combat external threats, which of the following tactics can be utilized? I. Exploit internal strengths II. Exploit the internal weaknesses of the competition III. Exploit the external opportunities a. b. c. d. I only I and II only II and III only I, II and III 2 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 5. Which of the following are important methods of improving the subsystem integration of business departments? I. II. III. IV. Direct contact among managers A hierarchical referral system The establishment of liaison roles The creation of project matrix structures a. b. c. d. I, II and III only I,III and IV only II,III and IV only I, II, III and IV 6. According to Pande, which of the following are legitimate reasons for NOT embracing a Six Sigma effort? I. The company currently has an effective improvement effort II. Current changes are overwhelming the company resources III. The potential gains aren’t sufficient fund Six Sigma a. b. c. d. I only I and II only II and III only I, II and III 7. In what area would upper management be most helpful in the initiation of a Sic Sigma effort? I. II. III. IV. Providing direct training to black belts Planning and implementing the deployment effort Providing key resources to the organization Directing the improvement project a. b. c. d. I and III only I and III II and IV only II, III and IV 8. What is the best upper management reason for not providing black belt assistance to an improvement team? a. Black belt resources may be tight b. It forces the team to develop their own skills c. It may not be required 3 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. It requires the team to ask for help 9. Which of the following would most likely function as a project team leader? I. II. III. IV. Black belts Six Sigma managers Steering Committee members Trained facilitators a. b. c. d. I and II only I and IV only II, III and IV only I, II, II and IV 10. Which of the following terms is the broadest type of organizational memory and learning? a. b. c. d. Document Management Knowledge Management User interface and process layer Knowledge repository 11. A supplier provides a product in a box. After the product is consumed, the purchaser attempts to recycle the box by storing personal items in it. However, the hinges of the box soon fail. This scenario describes whose statement on quality? a. b. c. d. Juran’s Dmening’s Taguchi’s Shewhart’s 12. The dissemination of knowledge within a modern organization is normally coordinated by a. b. c. d. IT or MIS department Quality department Engineering department Technology department 4 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 13. Relative to the duties and responsibilities of departments within a Sic Sigma company, the most critical requirement calls for: a. b. c. d. Task focus and teams The establishment of liaison roles A matrix organizational structure Cross-functional collaboration 14. Review the following assessment statements: - We have tremendous cost advantages We have good marketing skills Our finances are solid Our management team is outstanding What SWOT analysis area is most clearly being described? a. b. c. d. Strengths Weaknesses Opportunities Threats 15. What quality guru is MOST widely associated with DOE? a. b. c. d. Deming Juran Ishikawa Taguchi 16. Review the following assessment statements: - We have obsolete facilities Our technology is outdated We have weak marketing skills Our management team is relatively inexperienced What SWOT analysis area is most clearly being described? a. b. c. d. Strengths Weaknesses Opportunities Threats 5 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 17. Which of the following terms describes the knowledge residing in the minds of employees, but not in a data base? a. b. c. d. Organizational memory Knowledge management Tacit Knowledge Organizational learning 18. Which of the following quality gurus are most closely associated with the term total quality control and total quality management? I. II. III. IV. V. VI. Crosby Feigenbaum Ishikawa Deming Juran Taguchi a. b. c. d. IV and V only II and III only I and VI only II and V only 19. The phrase “improve quality, decrease costs, improve productivity, capture the market with better quality and price, stay in business and provide jobs,” refers to: a. b. c. d. Deming’s Chain Reaction Feigenbaum’s Principles of TQC Ishikawa’s Characteristics on CWCQ Juran’s Basic for Success 20. Increasing performance in a Six Sigma Corporation from 3 sigma to 4 sigma would reduce defects per million by a factor of: a. b. c. d. 2 8 10 16 21. Which of the following items would be considered process outputs? I. II. Money Products 6 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA III. IV. V. P. REYES / JUNIO 2004 Specifications Services Designs a. b. c. d. I, II and III only I, II, III and V only II, IV and V only II, III, IV and V only 22. In a nutshell, Six Sigma is considered: a. b. c. d. A business improvement approach A focus on critical customer items An elimination of mistakes and defects A concentrated focus on business outputs 23. What (two) organizational steps typically provide feedback to business systems and processes? I. II. III. IV. Customers Suppliers Inputs Outputs a. b. c. d. I and II only III and IV only II and III only I and IV only 24. Which of the following authorities is most clearly identified with SWOT analysis? a. b. c. d. M. Porter R. Snee A. Feigenbaum M. Harry 25. Which two of the SWOT analysis elements clearly requires a firm to assess the external business environment? I. II. III. IV. Strengths Weaknesses Opportunities Threats 7 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 I and II only I and III only II and III only III and IV only 26. In the Six Sigma structure, process owner are also referred to as: a. b. c. d. Champions or sponsors Sponsors or master black belt Black bet or champions Mater black belts or directors 27. Successful knowledge management would be LEAST likely to employ: a. b. c. d. Multiple transfer channels Clear purpose and language Parallel specialized tracks Standardized flexible structure 28. If the objective in a firm is to build capabilities in maintaining and improving performance, arrange the following items in increasing levels of achievement. I. II. III. Knowledge Organizational learning Knowledge management a. b. c. d. III, II, I I, II, III I, III, II II, I, III 29. What is the typical length of training for a typical black belt program? a. b. c. d. Four days Four weeks Four months Four non-consecutive months 30. Coaching, guiding and mentoring for a typical Six Sigma project, in a large corporation, will generally come from a : 8 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 Process owner Black belt Master Black Belt Team leader 31. The defect levels, as reported by Motorola in their Six Sigma program, are higher than one might expect from use of a standard normal table or traditional capability calculations. Why is this true? a. Motorola found their processes followed the exponential distribution b. Motorola allowed for failure on one tail only c. Motorola allowed for a 1.5 sigma shift in the mean d. Motorola found that six sigma increased process variation 32. Review the following assessment statements: - There is strong global competition There is slow market growth There are strict regulatory requirements What SWOT analysis area is most clearly being described? a. b. c. d. Strengths Weaknesses Opportunities Threats 33. What three strategy elements does Harry include with traditional DMAIC approach to Six Sigma? a. b. c. d. R,S,I R,I,S S,I,C S,P.P 34. Why has Six Sigma been successful in many organizations? I. II. III. IV. Bottom line results are enhanced A+/- 1.5 sigma shift is included A disciplined approach is used A sound statistical approach is used a. I, II and III only 9 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 b. I, III and IV only c. I, II and IV only d. II, III and IV only 35. The most frequent error made by top management, when dealing with system variation is: a. b. c. d. Treating common causes as special causes Considering all causes to be local causes Recognizing that common causes require quick action Treating special causes as common causes 36. The link across different media ( data bases, text data, video, audio, etc) is called: a. b. c. d. Data layer User interface Procession layer Data repository 37. Using Six Sigma a company at 3.5 sigma would have a failure rate of: a. b. c. d. 3.4 ppm 233 ppm 1350 ppm 6210 ppm 38. A process flow chart is: a. b. c. d. A map of the process Very similar to a PERT diagram Used only by managers A way to detect non conformities 39. The most important success factor for Six Sigma deployment in the company is: a. b. c. d. Education Management support Organizational infrastructure Reward and recognition 40. Select the quality Guru who endorsed spreading the quality improvement message by intensive education and training of people: 10 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 Philip Crosby Juran Dr. Ishikawa Dr. Deming 41. Identify the quality guru who believed the best approach in quality improvement is allocate individual responsibility and managing projects as in financial processes a. b. c. d. Dr. Ishikawa Philip Crosby Juran Dr. Deming 42. The set of active processes that support a firm in creating, assimilating, disseminating and applying its knowledge, it is referring to: a. Organizational memory b. Tacit knowledge c. Organizational learning d. Knowledge management 43. One key concern for SWOT analysis is: a. b. c. d. Lack of planned change Lack of objectivity Market changing situations Lack of experts to do the analysis 44. Which of the following is the more acceptable option for the deployment of a Six Sigma Project? a. Focus in cost savings b. Focus in human personality problems c. Focus in appearance improvement d. Focus in accounting recording 45. A company with low performance in quality, productivity and profitability is considering a Six Sigma initiative: a. b. c. d. Smart, they could take low lying fruit Unwise, they need to attend basic activities first Smart, They need first make a process map Smart, they need a Six Sigma structure 11 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 2. Business Process Management 1. When using the SIPOC model, any change in process outputs will be related to one or more changes in: I. II. III. IV. a. b. c. d. System inputs Process inputs Process actions Customer actions I and II only I and IV only I, II and III only I, II, III and IV 2. How many defects per million opportunities would be reduced if a company increased their Six Sigma capability from 4.5 to 5.4? a. b. c. d. 1402 1398 1350 1302 3. As an alternative to QFD, the plotting of items of customer importance versus the customer’s corresponding satisfaction level, using a form of Likert scale, would most appropriately be called: a. b. c. d. A matrix diagram A perceptual map A cause-and-effect matrix A correlation chart 4. A chart is constructed that has defect types on the X axis, customers on the Y axis, and numbers of defects at the corresponding column and row intersections is called: a. b. c. d. A matrix diagram A correlation chart A Pareto diagram A cause and effect diagram 12 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 5. According to Juran, what the customer thinks he/she desires, would be classified as: a. b. c. d. Stated needs Real needs Perceptive needs Cultural needs 6. If a project requires and initial investment of $3,000 and yields returns of $1,000 per year, the payback period (ignoring taxes and interest) is: a. b. c. d. 4 months 3 years 3.33 years 4 years 7. When considering stakeholder groups, which of the following terms is most identified with the term “community”? a. b. c. d. Society Government External customers Suppliers 8. From either a stockholder, community or organizational standpoint any American Company which has a VAE (value added per employee) of $20,000 is not likely to survive. Why is this statement true? a. b. c. d. Investors won’t buy the stock Company overhead (administrative expense) is not being considered The employee’s pay benefit exceed this amount Most other companies attain $40,000 or more VAE 9. Listening to the customer, normally means: a. b. c. d. The external customer The intermediate user The internal customer The marketing department 10. The “next process is your customer” refers to: a. “Do it right” for the next operation b. Desire for better cooperation among departments 13 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. “Zero defects” for the next process d. Process efficiency is very important 11. The QFD process can be described as a: a. b. c. d. Financial metrics approach Customer competitive assessment Customer driven process Technical results driven process 12. For a customer driven company with high quality and value, we need to: I. II. III. IV. a. b. c. d. Know our customer Analyze our service performance Keep cost reduction programs going Have strict rules and procedures that employees must follow I and II only II and III only I and IV only I, II, III and IV 13. The internal customer can be helped through a reduction of which methods or practices? I. II. III. IV. a. b. c. d. Silo effect Department competition Using only staff specialists to provide expert device Minimal communications between departments I and II only II, III and IV only III and IV only I, II, III and IV 14. If a company fails to meet their quarterly projected sales and profit forecasts, which of the following stakeholders groups would be LEAST effected? a. b. c. d. Suppliers Stockholders Employees Society 14 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 15. Customer segmentation may occur by: I. II. III. IV. a. b. c. d. City, state Random variation Age, sex Natural Selection I and II only I and III only I, II and III only I, III and IV only 16. Our surveys from customers, what do high customer satisfaction numbers Not indicate? a. b. c. d. Customer Satisfaction Customer service Customer loyalty Product quality satisfaction 17. One would say that, from a overall perspective, the activities of a company are tied together by: a. b. c. d. Customers Stockholders Suppliers Process management 18. Complain cards are useful for the collection of problems. What could be wrong with the cards? a. b. c. d. Only 10% of the complaints are recorded They are a source of trivial complains They mean extra work to handle and process They cost too much money to process 19. The advantages of a quality cost system would NOT include which of the following items? a. b. c. d. Aligns quality and company goals Provides a prioritization system for the allocation of resources Insures the resolution of specific quality problems Provides a manageable overview of quality 15 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 20. The consumer market has all of the following characteristics EXPECT for: a. b. c. d. A large number of customers Detailed knowledge about the product A simple purchase transaction Small purchase amounts 21. In selecting base for measuring quality costs, which of the following should be considered? I. Is it sensitive to increases and decreases in production schedules? II. Is it affected by mechanization and the resulting lower direct labor costs? III. In it affected by seasonal product sales? IV. Is it oversensitive to material price fluctuations? a. b. c. d. I and III only I, III and IV only I, II and III only I, II, III and IV 22. The key difference between internal and external customers is: a. b. c. d. Their interest in the product or service Internal customers can influence the design of the product External customers usually influence the design of the product External customers best determine the true quality of the product 23. Benchmarking of performance is: a. Not applicable to most organizations because their processes are unique b. Infrequently used because each company needs to protect their trade secrets c. Ignored because of the perceived barriers to sharing internal company information d. Discouraged because of anti-trust laws 24. The balanced scorecard can be described as a method or process for managers to use to focus on: I. II. III. Business performance metrics Strategy management Financial metrics 16 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA IV. a. b. c. d. P. REYES / JUNIO 2004 Stakeholder interests I and II only I and III only II and III only II and IV only 25. Community or society quality benefits resulting from a business enterprise would NOT include which of the following? a. b. c. d. Safe products to use Enhanced ability to pay taxes Prestige and self-fulfillment An expansion of job openings 26. A review of purchase orders for quality requirements falls into which one of the following quality cost segments? a. b. c. d. Prevention Appraisal Internal Failures External failures 27. The life cycle of a customer includes all of the following steps EXCEPT: a. b. c. d. Acquisition Attrition Reacquisition Innovation 28. Benchmarking may be a key element for improvement? What could possibly be wrong with it? a. b. c. d. Benchmarking too many companies Benchmarking too few companies Just copying processes Reducing creativity 29. Understanding, controlling and improving an organization’s processes to create value for all stakeholders would be called: a. The SIPOC diagram b. Process performance metric c. Business process management 17 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. The establishment of KPIVs and KPOVs 30. Market segmentation achieves: a. b. c. d. A targeted homogeneous marketplace Uniform marketing plans Uniform product Targeted subsets of the market 31. Benchmarking I normally undertaken by a company or organization for the purpose of I. II. III. a. b. c. d. Finding a leader in an area felt to be deficient Developing methods of measuring performance Identifying the gap between the present performance and desired I only II only II and III only I, II and III 32. Focus groups can best be defined as: a. b. c. d. Small groups with a specific topic A segmented group of suppliers A segmented group of intermediate users A pre-selected group of users 33. Which of the following is NOT a method for customer service data collection? a. Customer surveys b. Internal surveys c. Customer visits d. Complaint analysis 34. Which level is not included in the Harry’s recommendation for business process levels: a. Business b. Shareholder c. Operations d. Process 18 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 35. The relevant stakeholders not include the following: a. Employees b. Potential suppliers c. Potential Competitors d. Process owners 36. How do the companies measure the value of a customer? a. Loyalty b. Lifetime worth c. Current volume contribution d. Friendship 37. Sketch a Process Flow for a manufacturing company, indicating the Main processes, the support processes and the Customer Oriented Processes 38. Sketch a Process Approach Octopus for a service company 39. Sketch a Turtle diagram for a company process 40. Sketch a Turtle diagram for two ISO 9001:2000 mandatory procedures 19 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 3. Project Management 1. The Hawthorne studies conducted by Elton Mayo concluded that: a. b. c. d. Increasing illumination would increase worker productivity Workers responded favorably to humane treatment The needs of management were not understood at the floor level Group behavior is influenced by a relatively few floor level leaders 2. A project team has been functioning very well for about two months. One member has suggested a different approach to solving the problem they have been working on. The other members strongly reject the idea. This example of: a. b. c. d. Mind think Group think Isolationism Active-passive behavior 3. Which of the following might indicate that a team is having problems? I. The team has increasing difficulty staying on the senior management calendar for a progress briefing. II. Training funds for the team members have been significantly cut back III. New ideas have stopped flowing into the team from individuals outside the team IV. Conflict among team members is increasing and becoming unmanageable a. b. c. d. IV only II and IV only I, II, III and IV II, III and IV only 4. Identify two techniques useful for team facilitators when narrowing a list of potential problem areas to investigate: I. Brainstorming II. Normal group III. 4-M Diagram IV. Multivoting 20 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 I and III only II and IV only I and IV only II and III only 5. The primary purpose of rewards and recognition for teams and team members, from an organizational management perspective, is: I. To document performance for the annual performance evaluations To monetarily compensate team members for the extra time and effort that they put into team activities To avoid having to pay team members overtime or to provide compensatory time off the job To reinforce desired behaviors and induce repetitions of those behaviors in the future by the team members and others II. III. IV. a. b. c. d. I II III IV 6. The key attribute for individual team members is: I. That they are able to work alternative work schedules to accommodate team activities That they believe in the value of teams in bringing more that one brain to the process of problem solving That they have extensive experience with organization and its industry That they understand the full scope of the problem at hand II. III. IV. a. b. c. d. I II III IV 7. Which of the two following teams are likely to disband upon completion of a specific job or application? I. II. III. Self directed Project Cross functional 21 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 IV. Improvement a. I and II only b. I and III only c. II and III only d. III and IV only 8. One of a team’s most important early responsibilities to management is to: a. b. c. d. Assess the suitability of the office spaces assigned the team Set up a rewards procedure Develop and refine the team’s objective Attend the kickoff team meeting 9. Which of the following is NOT considered to be one of the new quality management tools? The answer A is the correct, incorrect choice a. Scatter diagrams b. PDPC charts c. Tree diagrams d. Matrix diagrams 10. A project has more than one critical path. This means that: a. b. c. d. Crashing an event might shorten the project time The critical path was nor calculated correctly Delaying an event on a critical path may not delay the project Shortening any one event cannot shorten the project duration 11. Which of the modern quality management tools could use 3” x 5” cards or post-it-notes as part of the brainstorming or idea generation stage? I. II. III. IV. V. a. b. c. d. Tree diagrams Affinity diagrams Matrix diagrams Interrelationship diagraphs Activity network diagrams I, II and V only I, III and IV only II, IV and V only I, II, IV and V only 22 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 12. Project documentation should ideally be done by: A. Maintaining detail notes during the project and the converting this to a formal written report after the project is completed B. Getting the work done first, and the summarizing the events later C. Distribution plans at the project start, status reports during, and the final report at the end of the project D. The project leader who issues the project proposal and final summary, and the interim information available upon request a. b. c. d. A B C D 13. The arrow diagram has been converted and expanded in use as a quality management tool. It is referred to as: a. b. c. d. Systematic diagram Activity network diagram Interrelationship diagraph PDPC 14. One of the human dynamics that occurs within work teams is conflict. What are the advantages of having some internal team conflict? I. II. III. IV. a. b. c. d. It increases a team’s energy level It minimizes the confidentiality issue It offers diverse perspective for problem solution It provides the opportunity for greater activity I and II only I, III and IV only II, III and IV only III and IV only 15. Divided member loyalties, having personal confrontations, thinking individually, and learning team members roles are indicators that a team is in which stage of its evolution’ a. Forming b. Storming 23 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. Performing d. Norming 16. New quality management tools are being used to help the problem solving process. Which of the following tools provides a numeric ranking of options? a. b. c. d. Interrelationship diagraph Affinity diagram Activity network diagram Prioritization matrices 17. Projects typically encounter conflicts in demand for the same resources. One method which helps to minimize the effects of this conflict is called: a. b. c. d. Uniform allocation technique (UAT) Peak smoothing Reciprocal need adjustments Resource Leveling 18. In company of moderate size, which of the following organizations would be most repressive to the decision making ability of their employers? a. b. c. d. Horizontal Vertical Team based Flat and wide 19. Which of the seven modern quality management tools use techniques that incorporate a form of flow charting? a. b. c. d. Tree diagrams, activity network diagrams and matrix diagrams PDPC charts, tree diagrams, activity network diagrams Affinity diagrams, tree diagrams, interrelationship diagraphs Matrix diagrams, PDPC charts, tree diagrams 20. Types of communication within an organization encompass: I. II. III. IV. Downward and upward Horizontal Formal Rumors 24 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 I and III only II and IV only I, II and III only I, II, III and IV 21. What activities can a team facilitator or leader use to combat digression and tangents within a work team? I. II. III. Use a written agenda Direct the conversation back on track Engage in a team group thinking activity a. I and II only b. I and III only c. II and III only d. I, II and III 22. What widely used organizational structure places conflicting demands upon middle management and other specialists? a. b. c. d. Vertical Matrix Geographic Product 23. A team sponsor or champion typically: a. b. c. d. Is a liaison between the team and upper management Attends all team meeting Directs the team on implementing solutions Fulfills the facilitator role 24. The proper sizing of a team is: I. II. III. IV. Something that senior management should determine as a part of the team charter Best based upon including representatives of all those parties affected by the problem A straightforward management decision A complex balancing of considerations of inclusion and manageability a. I b. II 25 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. III d. IV 25. Elements of team member diversity, which often impact a team’s makeup and performance, include which of the following? I. II. III. a. b. c. d. Member skills and viewpoints Member thinking styles (left brain; right brain) Member temperaments and personalities I only II only I and III only I, II and III only 26. What is a major distinction between the CPM and PERT methods in the evaluation of project performance? a. b. c. d. Only the PERT method can be displayed on a Gantt chart The PERT technique allow for easier crashing of project time The PERT technique permits network relationship but CPM does not The PERT technique is event oriented, while CPM is activity centered 27. It is noted that the involvement and participation of which of the following team roles expands and increases over time? a. b. c. d. Team members Facilitator Sponsor Leader 28. Team briefing presentations to senior management should include which of the following considerations? I. II. III. IV. V. The time of senior management is scarce and valuable Every member of the team should have a speaking/briefing role Identify the problem and the proposed action desired from the briefing Address known “hot button” and sensitivities Handouts should require that somebody contact the author(s) to explain what they say a. I, III, IV and V only 26 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 b. II, IV and V only c. I, II, III, IV and V d. I, III and IV only 29. When developing the potential for win-win agreements, what strategy sequence is most appropriate? I. II. III. IV. a. b. c. d. Verify areas of agreement Resolve any differences Confirm each party’s goals Consider alternate solutions III, IV, I, II I, III, IV, II I, III, II, IV III, I, IV, II 30. A team charter should include all of the following, EXCEPT: a. Operating scope b. Purpose c. Objectives d. Cost Answer D is the correct incorrect choice 31. Project management usually contains a phase known as the statement of work. The best description of this activity includes which of the following? I. II. III. IV. a. b. c. d. The start and end dates of project as well as major milestones An expansion of the project objectives Additional specification detail including the required input data and deliverable items. A plan which includes a detailed listing of those activities necessary to complete the project I and II only II and III only II, III and IV only I, II, III and IV 32. Which of the following statements are advantages of the matrix organization versus a hierarchical organization? 27 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA I. II. III. a. b. c. d. P. REYES / JUNIO 2004 Works better in a project focused environment Provides clearer lines of authority Promotes the easy formation and use of teams I only I and II only I and III only II and III only 33. The fundamental purpose of establishing teams is: a. b. c. d. Provide team members a form of job enrichment and broadening Improve the internal efficiencies of the organization Teach team members new problem solving skills To avoid spending money on outside consultants 34. During a project work breakdown structure, a number of planning activities occur. Which of the following items is NOT include? a. b. c. d. The project objective is defined The work is divided into smaller activities The interrelationship between activities is defined The project schedule is established 35. Assume that you are developing a project schedule and want to simplify the charting process. List the following techniques in order of complexity from less complex to most complex. I. II. III. a. b. c. d. CPM Gantt Pert I, II, III I, III, II II, III, I III, II, I 36. The slack time along a critical project path: a. b. c. d. Is the difference between the earliest and the latest start dates Is equal to the “crash” time Is neither less than nor greater than zero Is the highest risk area 28 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 37. Effective communications support which of the following? I. II. III. IV. V. a. b. c. d. Business objectives The strategic plan Product requirements Customer requirements Corporate requirements I, IV and V only I, II, III and IV only II, III, IV and V only I, II, III, IV and V 38. Project management is summarized as: a. b. c. d. Vision, plan and implement Goals, objectives and measurement Designing, engineering and manufacturing Planning, scheduling and controlling 39. In a project network, if he earliest an event can take place is week 45, the most likely time it will take place is week 49 and the latest it can take place without delaying the project completion is week 51, What is the even slack time? a. b. c. d. 2 weeks 4 weeks 6 weeks Cannot be determined from the above information 40. Team empowerment derives from: I. II. III. a. b. c. d. he organizational management Access to organizational information Access granted to organizational resources I only II and III only I and III only I, II and III 41. Valid reasons for removing a team member from a team include: 29 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA I. II. III. IV. a. b. c. d. P. REYES / JUNIO 2004 Personality conflicts Lack of skills by the member Member poor attendance record for team meetings Member work load for their activities II and IV only I, III and IV only II and III only I, II, III and IV 42. In order for a team to understand and anticipate the resistance than that other members of the organization may have for a proposed recommendation, what team tool would be most useful? a. b. c. d. Multivoting Groupthink Force field analysis Nominal group think 43. Consider the following network, with events marked within the circles and durations un weeks: 2 3 1 5 4 1 1 3 2 2 8 3 6 3 9 1 5 4 1 2 10 1 7 3 The critical path is: a. b. c. d. 1-3-6-8-10 1-3-6-9-10 1-4-6-8-10 1-4-6-9-10 44. Prior to participating on a team, each team member should: a. Be trained in problem solving techniques b. Have undertaken a study of group dynamics c. Have participated in a team motivation seminar 30 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. Have a knowledge of the team’s intended purpose 45. Planning for feedback by the project leader during a project should address: I. II. III. IV. a. b. c. d. The method of reporting What is to be communicated When reports are to be made Project milestones I, II and III only II and III only I and IV only I, II, III and IV 46. The change agent is a person or group that acts as the catalyst and assumes the responsibility for managing the change process., Change agents ca be internal or external to the organization. Which of the following are advantages of internal change agents? I. II. III. IV. a. b. c. d. They possess a broader knowledge of the company They are more objective and technically prepared They generally have more control and authority They have more diverse experiences and networking resources I and III only II and IV only I, II and III only I, II, III and IV 47. Which of the following is NOT a primary reason for periodic projects reviews? a. b. c. d. To highlight the project team’s effort To update goal achievement To review the schedule To review the costs 48. Change agents ( the person or group that acts as the catalyst and assumes responsibility for managing the change process) may be internal or external. Which of the following may be disadvantages of sing internal change agents? I. They may be part of the problem 31 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA II. III. a. b. c. d. P. REYES / JUNIO 2004 They may be not have diverse knowledge They may be biased or too close to the problem I and III only I, II and III only I, II and IV only I and IV only 49. Which groups of employees in the organization have the most to lose by employee involvement efforts? a. b. c. d. Top management Middle management Supporting staff functions Operators 50. The normal order of the stages of a team’s development are often referred to as? a. b. c. d. Forming, norming, storming, performing Develop, build, optimize Forming, storming, norming and performing Forming, building, optimizing and performing 51. When selecting potential team members, it is important that candidates: a. b. c. d. Are from the same work group Are at the same level within the organization Can discontinue their normal duties while participating on the team Have a reason to work together 52. Reluctance of a line manager to release manpower or resources to a project manager is one type of: a. b. c. d. Matrix management Objective management Organizational roadblock Harmonization of responsibility and authority 53. When a team finds itself divided into two groups and they have reached an impasse on a solution, then: a. The team leader should disband the team 32 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 b. The facilitator should guide the team through the process c. The sergeant at arms should ask one group to excuse themselves d. The team should split and have each group work on solutions 54. Methods to overcome employee resistance to change include: I. II. III. IV. a. b. c. d. Mandating the change Negotiating the conditions of the change Providing training on the charge Involvement with the change project I, II and III only I, II and IV only I, III and IV only II, III and IV only 55. Please arrange the following quality management techniques in sequential order from least complex to most complex. The complexity involves both the ease of use and the amount of subject familiarity, necessary for effectiveness. 1.- Affinity diagram 2.- Tree diagram 3.- Matrix diagram 4.- Prioritization matrix a. b. c. d. 1, 2, 3, 4 2, 1, 4, 3 3, 1, 2, 4 1, 3, 2, 4 56. The resources available for a team to use is determined by the: a. b. c. d. Facilitator Team leader Team members Team sponsor 57. A manager who directs two subordinates to work out a problem is displaying which of the following conflict resolution tactics? a. Avoidance b. Compromise c. Competing 33 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. Collaboration 58. Which of the seven new quality management tools can be useful in organizing facts about an unfamiliar subject? I. II. III. IV. a. b. c. d. The affinity diagram The process decision program chart (PDPC) The matrix diagram The prioritization matrix I only I and II only I, II and III only I, II, III and IV 59. The primary purpose of rewards and recognition for team members from an organizational management perspective is: I. To document performance for the annual performance evaluations To monetarily compensate team member for the extra time and effort that they put into team activities To avoid having to pay team embers overtime or to provide compensatory time off the job The reinforce desired behaviors and induce repetitions of those behaviors in the future by the team members and others II. III. IV. a. b. c. d. I II III IV 60. What team role is most likely to define objectives for a team? a. b. c. d. Leader Sponsor Facilitator Member 34 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 61. For many of the new quality management tools the typical strength relationship symbols are illustrated via: A. + - o B. O C. - + D. a. b. c. d. A B C D 62. Identify two techniques useful for team facilitators when narrowing a list of potential problem areas to investigate: I. II. III. IV. a. b. c. d. Brainstorming Normal Group Technique 4-M Diagram Multivoting I and III only II and IV only I and IV only II and III only 63. The use of Program Evaluation and Review Technique (PERT) requires: a. b. c. d. The critical path to be known in advance Slack times to be added to the critical path Time estimates for each activity in the network Less data than a Gant Chart 64. The elements of project management are: I. II. III. Objectives Planning Scheduling 35 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA IV. a. b. c. d. P. REYES / JUNIO 2004 Controling I, II and III only I, II and IV only I, III and IV only II, III and IV only 65. The critical path in a project means that: I. II. III. IV. a. b. c. d. The project is important to the profits of the organization Slack times con be used to delay the ending date of the project Events on this path have no slack time Delays of events on this path delay ending date of the project I and IV only II and IV only III and IV only II, III and IV only 66. Advantages of computer software driven project management methods include: I. II. III. IV. a. b. c. d. Ability to analyze “what-if” options Automatic calculation of the critical path The effects of actual results on the project are known Training requirements are minimal I, II and III only II, III and IV only II and III only I, II, III and IV 67. Which of the following is NOT a team leader role? a. b. c. d. Conducts meetings Schedules the nest meeting Acts as a liaison with management Distributes meeting minutes 68. A skilled facilitator will: I. II. III. Intervene when process ceases Correct the group when their ideas are wrong Take sides when one side is correct 36 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA IV. a. b. c. d. P. REYES / JUNIO 2004 Make sure all options are heard I and III only II and IV only I and IV only I, II, III and IV 69. Good team members: a. b. c. d. Provide valid excuses when they miss a meeting Don’t argue with the team, when it is wrong Encourage participation by other team members Withhold unpopular information from the team 70. Which of the following describes poorly functioning teams? I. II. III. IV. a. b. c. d. Members act independently without interdependency Objectives are realistically set and met Team members have covert agendas Team members listen to what is being said I, II and IV only II and IV only II, III and IV only I and III only 71. An accommodating appropriate when: I. II. III. IV. a. b. c. d. approach to conflict resolution is most One party is wrong The issue is much more important to one party Both views as seen as important An integrated solution is desired I and II only II and III only I and IV only II and IV only 72. Which of the following is a disadvantage of the effort/impact approach to consensus problem resolution? a. All team members must participate b. Objective data must obtained 37 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. It takes longer to reach a decision d. It presents the alternatives in a format that cannot be contested 73. When giving instructions to those who will perform a task, the communication process is completed: a. When the worker goes to his work station to do the task b. When person giving the instruction has finished talking c. When the worker acknowledges these instructions by describing how he/she will perform the task d. When the worker says that he/she understands the instructions 74. The matrix diagram is used to show the relationship between 2 variables. Matrices can be developed in several ways. Which one illustrates relationships in three planes? a. b. c. d. L-type T-type C-type Y-type 75. Please arrange the following modern quality management tools in order of decreasing complexity. Consider that the complexity involves both the ease of use and the amount of subject familiarity necessary for effective use. 1. 2. 3. 4. a. b. c. d. Priority matrix Matrix diagrams Tree diagram Affinity diagram 4, 3, 2, 1 1, 2, 3, 4 2, 4, 3, 1 2, 1, 3, 4 38 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 4. Six Sigma – Define 1. Using the DMAIC approach to process improvement, approximately what percent of time should be spent by the team in the define and measure stages? a. b. c. d. 15% 30% 50% 65% 2. If a project charter was found to lack company impact measurement, what is missing in most situation? a. b. c. d. The importance of the improvement team to the company Non use of the SIPOC diagram Customer satisfaction improvement Financial impact or cost saving 3. What is the best definition of RTY? a. b. c. d. Significant differences in individuals yields The drop in yield at the worst process step The cumulative calculation of yield through multiple steps The total yield output of multiple processes 4. Six sigma project improvement teams would be the LEAST likely to be assigned to: a. b. c. d. An area in great need of improvement A major new equipment installation A major source of customer complains An area requiring internal cost reduction 5. Stakeholders that could help define a project charter include: I. II. III. IV. Customers Suppliers Management Benchmark results a. I and II only 39 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 b. I and III only c. I, II and III only d. I, II, III and IV 6. The principle purpose of project milestones is: a. b. c. d. Keeping the project on track Assuring management that the project team is busy Accumulating information for the final report Rewarding the team with a management presentation 7. A critically based Pareto analysis would most likely focus on: I. II. III. IV. a. b. c. d. Internal scrap categories Potential safety risks Both real and potential economic losses Occurrences of customer complaints I, II and III only II, III and IV only II and III only I, II and IV only 8. If an improvement team were to investigate their customer base by moving from general to more specific customer needs, what technique would be employed? a. b. c. d. Pareto analysis Kano model CTQ tree Affinity diagram 9. The business case portion of a project charter would be likely to contain: a. b. c. d. A summary of the strategic reasons for the project A problem or goal statement The resources available to the project team The boundaries of the project team 10. The composition of a team for a very critical Six Sigma project should include: I. Highly qualified personnel 40 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA II. III. IV. a. b. c. d. P. REYES / JUNIO 2004 Very interested personnel Highly trained personnel Immediately available personnel I and III only II and III only I, II and III only I, II, III and IV 11. What is the main disadvantage of presenting a team with an initial project lasting more than 160 days? a. b. c. d. Excessive costs A lowered expectation of success Too much time away from regular duties The possibility that the team will expand the project boundaries 12. Identify the secondary or consequential customer metrics from the list below: I. II. III. IV. V. a. b. c. d. Conformance quality Defect per unit (DPU) Color range Average age of receivables Technical support II and IV only I, III and V only I, II and IV only I, II, III, IV and V 13. In addition to detail of the issue that the team wants to improve, the problem statement should contain: a. b. c. d. The critical to quality tree A reference to a baseline measurement An identification of team composition Any other pertinent steps in the define step 14. Using Kano analysis, what would be considered a latent requirement? I. II. III. A basic requirement A variable requirement A delighter 41 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA IV. A satisfier a. b. c. d. I only II and III only III only II and IV only P. REYES / JUNIO 2004 15. If you are reading this question you are a customer of QCI. Identify QCI process output elements from the list below: I. II. III. IV. V. VI. VII. a. b. c. d. Binder suppliers Solution texts Authors Paper suppliers Libraries Question CDs Study Primers II, IV and VII only I and IV only III and V only II, III and VII only 16. A problem statement identifies: a. b. c. d. The boundaries of the project The composition of the improvement team The issue that the project team wants to improve The strategic reasons for the project 17. There are five fabricating operations that can be performed in any sequence. Four of the operations yield 98% recovery and one yields 80% recovery. What is the preferred production sequence, assuming that the 80% operation cannot be immediately improve? a. b. c. d. Place the 80% operation first Place the 80% operation in the middle Place the 80% operation last It doesn’t matter, the RTY is the same 18. Arrange the following CTQ elements in appropriate time sequence from start to finish. I. Add additional levels as needed 42 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA II. III. IV. V. a. b. c. d. P. REYES / JUNIO 2004 Identify the customer’s needs Identify the customers Validate the requirements with the customer Identify the customer’s basic requirements III, II, IV, V, I II, III, IV I, V II, III, V, IV, I III, II, V, I, IV 19. Which of the following is NOT a primary reason for periodic project reviews? a. b. c. d. To highlight the project team’s effort To update goal achievement To review the schedule To review the costs 20. Project typically encounter conflicts in demand for the same resources. One method which helps to minimize the effects of this conflict is called: a. b. c. d. Uniform allocation technique (UAT) Peak smoothing Reciprocal need adjustments Resource leveling 21. Which of the following might indicate that a team is having problems? I. II. III. IV. a. b. c. d. The team has increasing difficulty staying on the senior management calendar for progress briefing Training funds for the team members have been significantly cut back New ideas have stopped following into the team from the individuals outside the team Conflict among team members is increasing and becoming more unmanageable IV only II and IV only I, II, III and IV II, III and IV only 43 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 22. The boundaries of a project are contained in the: a. b. c. d. Problem statement Project scope Goal statement Resources required 23. In the preparation of a project, efforts should be made to identify and involve various parties affected by the planned changes. These other parties are known as: a. b. c. d. Process owners Champions Team leaders Stakeholders 24. The purpose of “rolled throughput yield” in the Six Sigma define step would NOT be to: a. b. c. d. Spot significant differences in yield Provide a baseline metric Use the calculation for customer analysis Analyze a process flow for improvement ideas 25. The Pareto chart is a widely used quality tool. The principles of Pareto analysis have been used in many projects. Which of the following statements is an inappropriate application of a Pareto chart? a. b. c. d. A frequency based ranking of categories An alphabetic based ranking of categories A critically weighted ranking of categories A financially weighted ranking of categories 26. A new customer satisfaction tool known as the Kano model is used for analyzing customer requirements. Which of the following are NOT considered a Kano Model category? a. b. c. d. Moments of truth Dissatisfiers Delighters Satisfiers 44 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 27. Identify those measurements from the list below that do NOT directly reflect a dimension of product quality? I. II. III. IV. a. b. c. d. Price Delivery speed Reliability of delivery Technical support I only II and III only II and IV only I, II, III and IV 28. In Six Sigma define step, the critical to quality tree is used by the project team. The various levels of the tree are determined EXCEPT for: a. b. c. d. The exact metrics for the customer The needs of the customer The basic drivers for the customer The potential third level CTQ metrics 29. The project charter will contain a business case, which can be defined as: a. b. c. d. A reasoning for the redesign of a process or product The full arguments for the project A short summary of the strategic reason for the project A case study of the project situation 30. Potentially, the most difficult area to obtain meaningful information, during the Six Sigma define phase would be: a. b. c. d. From internal manufacturing From primary customers From principal suppliers From internal process input areas 45 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 31. In the construction of the Pareto Chart for the number of defects in a book binding operation, four categories of defects were recorded, as identified in the following table: Emulsion 65 Grease 15 Sewing 20 Other 30 - The correct conventional listing for the Pareto Chart categories from left to right would be: a. b. c. d. Emulsion, other, sewing and grease Grease, sewing, other and Emulsion Grease, sewing, Emulsion and other Emulsion, sewing, grease and other 32. The composition of a team for a typical Six Sigma project should: a. b. c. d. Be composed of interested floor operators and area staff Consist of qualified people with the expertise needed Consist of a cross-functional blend people from various departments Consists of Green belts, at the very least 33. The acquisition of customer data is essential to understanding customer wants and needs. Customer surveys can provide very valuable information for the organization. A major flaw with customer data from unhappy customer would be: a. b. c. d. An insufficient customer sample size Getting information from unintended end users Collection only data from happy users Sales not responding to the data 46 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 34. The project charter will be useful in many ways, including: a. b. c. d. Providing a consistent target for the team Permitting the team leader to develop milestones from it Assuring the champion will assign responsible team members Ensuring team members will support the charter 35. As it relates to the delivery of a meal, what would the topics of speed, price and good taste represent? I. II. III. IV. a. b. c. d. General needs CTQ areas Quality drivers Specific needs I and II only II and IV only II and III only III and IV only 36. Identify the techniques which may be used by improvement teams to define an improvement project. I. II. III. IV. a. b. c. d. Six Sigma SIPOC DMAIC RTY VOC I, II and III only I, III and IV only II, III and IV only I, II, III and IV 37. Which of the following is the LEAST likely element to be contained un a project charter? a. b. c. d. Identification of the team members The role of the team members The quality and type of resources provided The project scope 47 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 38. The basic dimensions of quality as outlined by a number of quality authorities would include: I. II. III. a. b. c. d. Durability Aesthetics Value-added I only I and II only II and III only I, II and III 39. A project charter is essential for the team to develop because: I. II. III. IV. a. b. c. d. The team will be focused on the appropriate problem The solution will be aligned towards the organization’s goals The team champion will be supportive The carter provides a complete history of the project I and II only I and III only I, II and III only I, II, III and IV 40. The Kano model is used to: a. b. c. d. Measure supplier performance Analyze customer requirements Describe takt time Calculate rolled throughput time 41. A commonly reported problem associated with Six Sigma projects deals with: a. b. c. d. A failure to complete any project charter documentation A desire to complete projects on time A requirement that projects must be at least $ 100 000 in value A lack of business impact for any company 42. The business case portion of a project charter would be likely to contain: a. A summary of the strategic reasons for the project b. A problem or goal statement 48 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. The resources available to the project team d. The boundaries of the project team 43. The SIPOC process map stands for suppliers, inputs, process, outputs and customer. It provides a view of the process that contains approximately how many steps? a. b. c. d. 21-41 steps 16-20 steps 8-15 steps 4-7 steps 44. The RTY calculation for the following process would be: Step A Step B A. YA YB YC YD B. (YA )(YB )(YC )(YD ) Step C YA YB YC YD 4 4 C. D. 1 1 1 1 YA YB YC YD a. b. c. d. A B C D 49 Step D UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 45. A team has undertaken a project to reduce scrap for a particular defect from 6% to 2%. However, recent data indicates that the scrap rate is really closer to 7.5%. What action steps should the team now take? I. II. III. a. b. c. d. Accumulate sufficient information to confirm the 7.5% rate Abandon the project because the reduction to 2% is now unlikely Modify the project statement with the best available statement changes II and IV only I and IV only I, III and IV only III and IV only 46. What is the main disadvantage of presenting a team with an initial project lasting more than 160 days? a. b. c. d. Excessive costs A lowered expectation of success Too much time away from regular duties The possibility that the team will expand the project boundaries 47. Resistance to change resulting from an improvement project can cause failures. The project team might consider development of a plan to handle stakeholders. This plan is most likely to be termed: a. b. c. d. A communications plan A resistance plan A PERT chart A Gantt chart 48. A matrix, developed during the Six Sigma define stage that plots levels of commitment versus key stakeholders is called: a. b. c. d. A responsibility communications chart A compliant/support chart A SCIUOH chart A current position chart 49. Affinity diagrams are useful tools to help analyze and solve what type(s) of problems: I. Unfamiliar problems 50 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA II. III. a. b. c. d. P. REYES / JUNIO 2004 Structured problems Mathematical models I only II only II and III only I, II and III 50. Which of the following items is the LEAST likely candidate to assist the problem definition stage of Six Sigma? a. b. c. d. SIPOC diagrams Pareto Analysis Product yield data Pre-control technique 51. The principle purpose of project milestones is: a. b. c. d. Keeping the project on track Assuring management that the project team is busy Accumulating information for the final report Rewarding the team with a management presentation 52. In addition to Pareto analysis by defect occurrence, other Pareto assessments can be made. Which of the following is LEAST likely? a. b. c. d. An alphabetic matrix below A weighting by customer criticality An arrangement based on financial impact An analysis of two or more time periods 53. A project team is formed to solve a distribution problem; the team members are position; the stakeholders are identified; the customer of the project must be determined. The customer of the project is NOT likely to be which of the following? a. b. c. d. Stockholder End user Process owner External customer 54. The target length of an initial project should be approximately: a. 60 days 51 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 b. 90 days c. 120 days d. 180 days 55. A critical to quality (CTQ) tree can be of value to the Six Sigma project team. It can translate customer requirements to quantified requirements. This will allow the organization to focus on a problem. An example of a quantified requirement for a mail order publishing house is: a. b. c. d. Cycle time to print a book Inexpensive pricing for a book The weigh of a book not to exceed 3 pounds Exceptional copy quality 56. What is the best definition of RTY? a. b. c. d. Significant differences in individual yields The drop in yield at the worst process step The cumulative of yield through multiple steps The total yield output of multiple processes 57. In order to assist a team in selection an improvement project, which of the following tools would be LEAST helpful? a. b. c. d. The SIPOC high level process map The DMAIC process Pareto analysis of defect levels The determination of RTY for major processes 58. How many of the following items should be known at the end of the define phase? I. II. III. IV. a. b. c. d. The key process(es) involved in the project The importance of the project The goals of the project The scope of the project I, II and III only I, III and IV only II, III and IV only I, II, III and IV 52 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 59. The process map known as SIPOC provides team members an understanding of the process. It is a view of the process take at: a. b. c. d. Floor level A very high level The customer’s perspective A very detailed level 60. Understanding customer needs is a constant requirements for organizations. Customer data and information is often collected in various amounts. The organization should resolve to: I. II. III. IV. a. b. c. d. Use more proactive approaches Focus on improvement plans Identify customer satisfaction drivers Sort out the unneeded customer data I only II and III only I, II and III only I, II, III and IV 61. A breakdown of CTQ requirements is accomplished using a diagram as depicted below: What is the CTQ structure called? a. b. c. d. A CTQ flow diagram A CTQ tree diagram A CTQ Gantt chart A CTQ work breakdown 53 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 62. Which of the following scenarios would be LEAST likely to follow the Pareto principle: a. b. c. d. 20% of the operators produce 80% of the product 20% of the machines will produce 80% of the defects 20% of the customers will lodge 80% of complaints 80% of complaints will fall in 20% of the defect categories 63. Six Sigma project methodology normally begins with what initial step? a. b. c. d. Problem definition Define Project charter Champion approval 64. It has been observed that some of the initial companies that undertook Six Sigma did not have a define phase in the classical DMAIC approach. What was their logic for this omission? a. They did not think the define phase to be important b. They assumed upper management would have projects already defined c. They incorporated the define phase into the measure phase d. They believed that a project could never be defined until it had been investigated 65. The Kano Model is an indicator of customer satisfaction. It is quite useful to help the organization understand the appropriate customer satisfaction level. The organization should be aware that the Kano Model can NOT: a. b. c. d. Analyze customer needs and requirements Determine the basic satisfier for the customer Meet the latent requirements of the customers Determine when the customer’s expectations have risen 66. Using the Kano Model, improvement teams most often select improvement projects from among which of the following customer need categories? I. II. III. Satisfiers Dissatisfiers Delighters 54 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 I only I and II only I and III only I, II and III 67. Ideally, customer feedback should satisfy organization needs such as: I. II. III. IV. a. b. c. d. Identifying customer requirements Fulfilling ISO 9000 requirements Spotting upcoming trends Having data for analysis I only I and III only II and III only I, II, III and IV 55 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 5. Six Sigma - Measure 1. Identify the distribution that has a mean equal to the variance a. b. c. d. Poisson Weibull Exponential Chi-square 2. A histogram is also know as: I. II. III. a. b. c. d. A cumulative frequency graph A relative frequency graph A population distribution function I only II only II and III only I, II and III 3. In the measurement of the distance between two points, which of the following factors is LEAST likely to be influenced by the person making the measurement? a. b. c. d. Precision of measurement Accuracy of measurement Calibration of the measurement instrument True distance between the two points 4. Given the data below is normally distributed and the population standard deviation is 3.1, what is the 90% confidence interval for the mean? - 22, 23, 19, 17, 29, 25 a. b. c. d. 20.88 - 24.12 20.42 - 24.59 21.65 - 23.35 17.4 - 27.6 5. Which of the following statements regarding process flow charts is/are accurate? I. There can be multiple paths through the flowchart 56 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA II. III. IV. a. b. c. d. P. REYES / JUNIO 2004 There can only be a single process flow start point Flow charts can have parallel processes A flow chart can have multiple end points I and III only I, II and IV only II, III and IV only I, II, III and IV only 6. All of the factors that might be contributing to a production problem must be discovered. Which of the following problem-solving tools would be the best selection? a. b. c. d. Pareto diagrams Fishbone diagrams Histograms Control charts 7. Which of the following is an example of variable data? a. b. c. d. Paint chips per unit Tension on fan belts Percent of defective units in a lot Audit points 8. A process that is normally distributed will have which of the following characteristics? a. b. c. d. It is predictable It is bimodal It is skewed It is truncated 9. Which of the following distributions has a domain of x, greater than or equal to zero? I. II. III. a. b. c. d. Lognormal Weibull Exponential I only II and III only I and III only I, II and III 57 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 10. Identify the data conversion that would be MOST difficult to accomplish a. b. c. d. Attribute data converted to variables data Variables data converted to attribute data Accumulated go/no go data converted to variables data Variables data converted to go/no go data 11. Regardless of the distribution of the individuals, the distribution of the average of n samples will follow which distribution as n becomes large? a. b. c. d. Normal Poisson Exponential Lognormal 12. Given the data bellow, what is the 90% confidence interval for the variance? - 12, 13, 9, 7, 19, 15 a. b. c. d. 4.21 - 99.07 15.32 - 28.66 8.27 - 79.88 16.87 - 56.52 13. The data from an R&R study will determine which of the following? I. II. III. IV. V. a. b. c. d. Accuracy Reproducibility Process variation Repeatability Sensitivity I, II and III only II, III and IV only III, IV and V only I, IV and V only 14. The typical responsibilities of a calibration department would include which of the following? I. II. Ensuring traceability of all calibrations to a standard laboratory Maintaining an adequate record system 58 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA III. IV. a. b. c. d. P. REYES / JUNIO 2004 Suspending measuring equipment from use when conditions warrant Identifying equipment with a level indicating calibration status I, II and III only I, II ad IV only I, III and IV only I, II, III and IV 15. Measuring and test equipment are normally calibrated to: a. b. c. d. Comply with federal regulations Determine and/or assure their precision Determine and/or assure their accuracy Check the validity of reference standards 16. The equation below represents the: 1 ln x 2 f ( x) exp X 2 2 1 a. b. c. d. Lognormal probability density function Normal probability density function Exponential probability density function Weibull probability density function 17. Two advantages of process mapping are the ability to: I. II. III. IV. a. b. c. d. Visualize the process being described Discover manufacturing problems only Solve quality problems quickly Check current processes for duplication or redundancy I and IV only II and III only I and III only II and IV only 59 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 18. Pallets of product are staged in a warehouse prior to shipment. There are indications that container damage is occurring disproportionately at aisle and row end locations. The best method of data collection to confirm this theory would be: a. b. c. d. Random sampling Sequential sampling Skip-lot sampling Stratified sampling 19. Select the incorrect statement from among the following. The Ids of a certain piece of tubing are normally distributed with mean 1.00”. The proportion of tubing with Ids less than 0.90 is: a. b. c. d. Less than the proportion of Ids greater than 0.90” Less than 50 percent Less than the proportion with IDs greater than 1.10” Less than the proportion with Ids greater than 1.00” 20. Which of the following is NOT a statistical level of measurement? a. b. c. d. Ordinal Nominal Numerical Ratio 21. The diameter of a population of ball bearings is normally distributed with a mean of 75 and a standard deviation of 8. What is the probability of the average diameter of 10 randomly selected ball bearings being greater than 77? a. b. c. d. 0.3751 0.4013 0.2146 0.0210 22. When calibration is being performed on a measuring device and no applicable national reference standard exist, then an acceptable alternative is to: a. Create the standard based on 10 readings from each of 3 technicians b. Petition NIST to establish a standard for the device 60 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. Document the method of establishing and maintaining the standard used d. Indicate in the device calibration records “Calibration Not Required” 23. The major advantage of process mapping is: a. b. c. d. Presenting a topological representation of the situation Capturing all process variables in a compact matrix Defining the likely source of the defects Visualizing the process being described 24. Which of the following is a discrete probability distribution? I. II. III. IV. a. b. c. d. Exponential Poisson Binomial Lognormal I and II only II and III only I and IV only III and IV only 25. Given the following information: - Probability of 1 or more defects = .69 Probability of 2 or more defects = .34 Probability of 3 or more defects = .12 Probability of 4 or more defects = .03 - What is the probability of 2 or fewer defects? a. b. c. d. .34 .69 .46 .88 26. Use this data for the following question. - Raw data: 307, 309, 310, 315, 309, 310 - Coded data: 7, 9, 10, 15, 9, 10 What is X bar? 61 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 10 12 310 312 27. If the specifications for a process are unknown but the standard deviation of the process is known to be1.0, which of the following can NOT be determinate? I. II. III. IV. a. b. c. d. CR CP PR PP I and II only I and III only III and IV only I, II, III and IV 28. When selecting an audit sample size, which of the following rules should govern your choice? A. Since quality may change over time, we should look at a fixed quantity each time period for audit purposes B. We need only a very small sample for audit purposes, as long as it is chosen at random C. Any size sample if randomly selected can be suitable for audit purposes, since we are not directly performing lot acceptance or rejection D. ANSI/ASQ Z 1.4 is a scientific sampling procedure and we need scientific sampling for audit purposes a. b. c. d. A B C D 29. The purpose of using a fishbone diagram is to: I. II. III. IV. Separate a problem into smaller components Define the problem in a sequential order Show how various causes interact Display many possible causes in a graphical manner 62 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 I, II and III only II, III and IV only I, III and IV only I, II and IV only 30. Historically, the number of flaws in the finish of surface has an average of 0.45. What is the probability of a randomly selected item having more than 1 defect in the surface finish? a. b. c. d. 0.0755 0.2869 0.6376 0.3624 31. Which of the following statements is (are) NOT true? I. II. III. The number of combinations is always greater than or equal to the number of permutations The number of combinations is independent of order The equation below is used to compute the number of combinations Crn a. b. c. d. n! r!(n r )! I only II only II and III only I and II only 32. Identify the three types of checksheets commonly used to record counted, measured and locational data: I. II. III. IV. V. Measles Charts Attribute lists Recording checksheets Checklists Variable Lists a. I, III and IV only b. II, III and IV only c. III, IV and V only 63 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. II, III and V only 33. A process is centered and the Cp is 0.8. This indicates that the specification range is what % of the process width? a. b. c. d. 125% 80% at least 100% 120% 34. Which of the following are applications of flowcharts? I. II. III. IV. a. b. c. d. Discrete assembly or machining steps Continuous processes such as liquid handling Office and non-technical processes Auditing of quality systems I, II and III only I, III and IV only II, III and IV only I, II, III and IV 35. When would Cp equal Cpk in a capability index calculation? a. b. c. d. When the standard deviation is low When the specification limits are wide When CP = PP When the process is perfectly centered 36. A process calls for the mean value of a dimension to be 2.02”. Which of the following should be used as the null hypothesis to test whether or not process is achieving this mean? a. b. c. d. The mean of the population is 2.02” The mean of the sample is 2.02” The mean of the population is not 2.02” The mean of the sample is not 2.02” 37. One use of recording checksheets is: a. b. c. d. Automated charting of variable data Collecting tally counts of attribute data Identification of process variables Creating a process map 64 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 38. If it is suspected that a process requiring a process capability determination is not a normal process but appears to be stable. The least desirable action to take, at this point would be to: a. b. c. d. Advise the customer and request specification changes Reduce variation to the point that it doesn’t matter Transform the data to that of a normal distribution Test the normality assumption using a chi-square test 39. A basic requirement of most gage calibration system specifications is: A. All inspection equipment must be calibrated with master gage blocks B. Gages must be color coded for identification C. Equipment must be labeled or coded to indicate date calibrated, by whom, and date for next calibration D. Gages must be identified with a tool number a. b. c. d. A B C D 40. A capability study, conducted during a pilot run of 100 units , indicated that the Cpk upper value to be 1.8 while the Cpk lower value was 0.90. The customer requires a Cpk minimum value of 1.25. What action should be taken? a. b. c. d. Center the process Reduce variability Renegotiate the customer specification 100% inspect until new equipment is available 41. A histogram is used to plot the number of voids found versus the weight of a plastic injection molded part. We would expected the shape of the distribution to be: a. b. c. d. Normally distributed Binomially distributed A decreasing slope Bimodal 42. The confidence interval for population variance is: 65 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 Based on the F distribution and the square root of n Equal to the confidence interval for the population mean A function of n-1 and the chi-square distribution Asymptotic to a lower boundary of 0 as n approaches infinity 43. If, in a t-test, alpha is .05 Therefore: a. 5% of the time we will say that there is no real difference, but in reality there is a difference b. 5% of the time we will say that there is a real difference when there really is not a difference c. 95% of the time we will make an incorrect inference d. 95% Of the time the null hypothesis will be correct 44. The distribution which has a mean equal to the standard deviation is the: a. b. c. d. Poisson Exponential Weibull Raleigh 45. Recognizing the nature of process variability, the process capability target is usually: a. b. c. d. Looser than product specifications The same as product specifications Tighter than product specifications Not related to product specifications 46. Which of the following are exclusively variable gages? I. II. III. IV. a. b. c. d. Ring gages Pneumatic gages Plug gages Gage blocks II and IV only I, II and III only IV only II and III only 66 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 47. In the establishment of a calibration schedule, which of the following statements apply? a. The importance of tool pressure and operator “feel” must be emphasized b. The cleanliness of all tools must be controlled c. A time or usage interval must be established and maintained d. Adequate instruction in the care and operation of the tools is necessary 48. The probability of Steve passing his math course is 0.7. The probability of Steve passing his history class is 0.8. If the probability of Steve passing both courses is 0.56, what is the probability Steve will pass either math or history? a. b. c. d. 0 1 0.99 0.94 49. Precision can best be defined as: I. II. III. IV. a. b. c. d. The ability to target a process to a specify normal value The average reading determined after repeated measurements by different operators The difference between the average of repeated measurements on the same item The agreement or closeness of measurements on the same item I only II only III only IV only 50. A process capability index has been calculated for a stable, nonautomated process. Then, the operator is told to check samples at random and make centering adjustments to the process bases on the sample readings. Based on this information one would expect to find: a. b. c. d. That the process capability has gotten worse That the process capability had gotten better That the two capabilities are virtually identical That the outcome would be unpredictable 67 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 51. What graphical data method can show the value of all individual readings? a. b. c. d. A stem and leaf plot A grouped probability density function A typical histogram A complex box plot 52. All standards are traceable to a “grand standard”. Arrange the following items in an appropriate downward sequence of traceability: I. II. III. IV. V. a. b. c. d. Work Center Metrology laboratory Quality Control System (Inspection Department) Standards Laboratory National Institute of Standards and Technology I, IV, II, III, V V, IV, II I, III I, III, II, V, IV V, IV, II, III, I 53. Which of the following statements about check sheets is NOT true? a. b. c. d. Recording subjective opinion doesn’t makes it measure data Check sheets cannot record subjective data A shopping list is a check sheet Both variable and attribute data can be recorded on a check sheet 54. Which of the following are attribute data? I. II. III. IV. V. VI. Number of stitches on the seam of a regulation softball Diameter of a squash ball Number of dimples on a regulation golf ball Tabulation of the number of sick hours charged by the baseball bat shaping operator Distance between the opposing lacrosse creases (goals) on the playing field Time remaining in the third quarter of play of the baseball game a. II, V and IV only b. I, II, III, IV, V and VI c. I, III and IV only 68 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. I, III, V and VI only 55. In flowcharts, the diamond symbol is used to represent: a. b. c. d. Process steps Decision branch Start of a process Continuation 56. A manufacturer of children’s wagons would like to visualize where the defects occur on the wagons. The defects encountered so far include missing bolts, paint peeling, missing decals, cracked wood, sharp edges and bent metal parts. A useful tool for this application is a: a. b. c. d. X-type matrix Measles chart Regression analysis Scatter diagram 57. The accuracy level of an instrument when compared to standard can only be: a. b. c. d. Less than the standard to which is compared Greater than the standard to which is compared Equal to the standard to which is compared Less than or equal to the standard to which it is compared 58. The standard deviation as a percent of the mean is called: a. b. c. d. Relative precision Coefficient of variation Standard deviation of the mean Standard error 59. Measurement error a. b. c. d. Is normally the fault of the inspector Can be determined Is usually of little consequence Can be eliminated by frequent calibrations of the measuring device 69 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 60. The most essential value of a surface plate in precision measurement application is which of the following? a. b. c. d. It provides a flat working surface It provides a surface free of minor vibration It provides an accurate reference surface It provides a chemically resistant work surface 61. If the 90% confidence for the mean is 181.3 to 203.8, which of the following statement is correct? a. 90% of all values in the population fall between 181.3 and 203.8 b. 90% of all values are either greater than 203.8 or less than 181.3 c. The probability of randomly selecting a valuable between 181.3 and 203.8 is 90% d. There is a 90% chance that the population mean falls between the values 62. The beta risk is the risk of: a. b. c. d. Selecting the wrong hypothesis A hypothesis not being rejected when it is false Accepting a hypothesis when it is true Rejecting a hypothesis when it is true 63. If the specification limits are wider than the control limits, then: a. b. c. d. The process is capable The process capability index is greater than 1.0 The specification limits replace the control limits on the chart None of the above 64. Given a Cp of 1.5 for a process and the same standard deviation and specification limits for the calculation of capability or performance indices, one would not be surprised to find: I. II. III. IV. CR and PR to be equal CR to be less than Pp PR to be less than Cp Cp and Pp to be equal a. I only b. I and IV only c. II and III only 70 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. I, II, III and IV 65. The expression below is which of the following? n! P X (1 P ) n x X !(n X )! a. b. c. d. General term for the Poisson distribution General term for the Pascal distribution General term for the binomial distribution General term for the hyper geometric distribution 66. Five computer manuals with the missing chapter were mixed with 10 good manuals. If 3 manuals are dawn at random, what is the probability of selecting no manuals with missing chapters? a. b. c. d. 0.7037 0.2637 0.2529 0.0910 67. The distribution used to describe the time between failures which occur independently and at a constant rate, is the: a. b. c. d. Lognormal Weibull Gamma Exponential 68. Which of the following statistical distributions can be used to compare sample means? a. b. c. d. Chi-square distribution Normal distribution t distribution Exponential distribution 69. What percentage of the area under the standard normal curve is included within (+/-) 1.5 standard deviations from 0? a. 0.8664 b. 0.7500 71 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. 0.6680 d. 0.9332 70. Identify those graphical methods that are alternatives to histograms in displaying variable data: I. II. III. IV. a. b. c. d. Scatter diagrams Box plots Stem and leaf plots Ordinal plots I, III and IV only II and III only I, II and III only I, II, III and IV 71. In Ishikawa diagrams, the box at the far right usually contains the: a. b. c. d. Problem statement Environmental factors Methods Manpower considerations 72. Identify the legitimate techniques for assure data accuracy and integrity from the options below: I. II. III. IV. a. b. c. d. Avoid unnecessary rounding of data Screen data to remove entry errors Remove outlier data, as they arise Record data in time sequence when appropriate I and IV only I, II and IV only II, III and IV only I, II, III and IV 73. A number derived from sample data, which describes the data in some useful way, is called a: a. b. c. d. Constant Statistic Parameter Critical value 72 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 74. Identify the new quality management tool that would be of greatest assistance in identifying the impact that various process input variables could have on key process output variables. a. b. c. d. Prioritization matrices Tree diagram Activity network diagrams Process decision program charts 75. The measurement and recording of the length of a product in centimeters would reflect the application of which measurement scale? a. b. c. d. Nominal Ordinal Interval Ratio 73 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 6. Six Sigma – Analyze 1. Which of the following regression statements is NOT true? a. The range of the correlation coefficient is from -1 to 1 b. The range of the coefficient of determination is from 0 to 1 c. A negative correlation coefficient indicates negative correlation d. The lower the correlation coefficient the lower the correlation 2. Which of the following statements is (are) true? I. II. III. a. b. c. d. In multiple regression, extrapolation beyond the region of observation can lead to erroneous predictions At least 3 variables are involved in multiple regression Multiple regression involves one independent and two or more dependent variables I only II only I and II only I, II and III 3. A product was yielding 90% recovery before an improvement was made. To determine if a 2% change (in either direction) has been made at the 95% confidence level, what sample size should be taken? a. b. c. d. 468 648 864 1728 4. What test statistics must be known in order to compute a confidence interval for variation? a. b. c. d. Chi-square value z value t value x value 5. A small change truly exists between a current process and an experimental process. However, an insufficient sample size is collected to determine this difference. What type or error would result? 74 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 A type II error A I-alpha decision A type I error A I-beta decision 6. Extrapolation is a method of prediction which involves primarily: a. b. c. d. 7. a. b. c. d. Engineering judgment Hypothesis testing Mathematical calculation and measurement Confidence intervals How are the expected values in a contingency table calculated? Column total – row total / grand total ( Column total ) ( row total ) / grand total Column total + row total/grand total Row total – column total/grand total 8. The correlation coefficient for Test # 1 equals -0.89 and the correlation coefficient for Test # 2 equals to 0.79. Assuming the test are different subject areas, what statement is untrue? a. b. c. d. Both test show a strong correlation The scatter around the regression line is greatest for Test # 1 The slope for Test # 1 is negative Y increases as X increases in Test # 2 9. If the calculated chi-square is much greater than the critical chisquare in a contingency table, which of the following statements is (are) true? I. II. III. a. b. c. d. The null hypothesis of equality of result is rejected The null hypothesis of equality of results is accepted The coefficient of contingency must exceed 1 I only I and III only II only II and III only 10. The probabilistic regression model for any particular observed value of Y contains a term β0, which represents: a. The Y axis intercept, when x=0 75 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 b. The Y axis intercept, when x=1 c. The slope of the model d. The x axis intercept, when y=0 11. The current process produces fifty units per shift, a new process yielded fifty-two units per shift for sixteen straight shifts with a standard deviation of four units per shift. What is our confidence that the process has changed? a. b. c. d. < 90% 90-95% 90-99% >99% 12. The opposite on an alpha risk is hypothesis testing is called: a. b. c. d. Beta risk I-beta risk Level of confidence I-level of confidence 13. Goodness of fit calculations for various distributions have many features in common. Which two of the following are included? I. II. III. IV. a. b. c. d. They all use the same DF They all use the same assumed distributions They all use a calculated chi-square test statistics They are use data values structured in cells I and II only II and III only I and III only III and IV only 14. When plotting a multi-vari chart on graph paper, what metric is used for the horizontal scale? a. b. c. d. Time Count data Variable data Percentages 76 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 15. Refer to the following partial ANOVA table: Source Materials Machines Errors SS 900 2100 300 DF 2 2 10 MS 14 What are the three missing MS values? a. b. c. d. 450, 1050, 30 60, 140, 20 450, 190.91, 20 45.0, 190.91, 30 16. If the means of two populations are close in value then: a. b. c. d. The null hypothesis will not be rejected A large sample necessary to reject the null hypothesis A null hypothesis decision will often be delayed The appropriate critical value is very important 17. Refer to the following partial ANOVA table: Source SS DF MS Materials 900 2 450 Machines 2100 2 1050 Errors 300 10 30 14 Calc. F What are the calculated F values? a. b. c. d. 225, 525 45, 105 15, 35 32.14, 75 18. No change exist between a test trial and a current process. A sample size, that was too small for the change (delta) of interest, was then collected. What type of decision would most probably be made? a. A type II error b. A I-alpha decision c. A type I error 77 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. A I-beta decision 19. The current process produces fifty units per shift, a new process produced sixty units per shift for ten consecutive shifts. The highest shift was sixty-six units and the lowest shift during the trial was fifty-four units. With what level of confidence can we say the process has changed? a. b. c. d. We can’t. The standard deviation is unknown 90% confidence 95% confidence >99% confidence 20. A one tail F test (95% confidence) with ten samples, yielded a variance of nine and nine samples, yielded a variance of four. What F critical value would be used? a. b. c. d. 3.23 3.44 3.39 3.14 21. Ratios of two variances drawn from the same normal population are described by which one of the following distributions? a. b. c. d. F Student’s t Chi-square test Normal 22. How is the level of significance defined? a. b. c. d. The probability of rejecting a null hypothesis when it is true The probability of not rejecting a null hypothesis when it is true The probability of accepting a null hypothesis when it is true The probability of not accepting a null hypothesis when it is true 23. In what statistical test is two subtracted from the total number of samples to determine the degrees of freedom? a. b. c. d. Paired t test Two mean equal variance, t test Students t test Chi-square test, with known variance 78 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 24. Identify the correct statements regarding contingency tables analysis from the options below: I. II. III. a. b. c. d. If X2 equals to zero there is a mathematical error The larger the X2 value the greater the chance of significance The number of rows and columns must be equal I only II only I and III only II and III only 25. What inference test does not require some knowledge of a test of population variation? a. t test b. Paired t test c. z test d. Chi-square test 26. When analyzing experimental data, which term describes the condition in which the error variance is inconsistent among observations? a. b. c. d. Stochastic variation Homoscedasticity Heterogeneous Heteroscedasticity 27. Given the sample data: 5, 15, 10, 7, 20. What is the unbiased estimator of the sample variance? a. b. c. d. 27.50 29.84 37.30 46.62 28. For a linear correlation the total sum of squares equals 1600 and the total cum of squared errors equals 1000. What is r2 ? a. b. c. d. 0.600 0.625 0.375 0.750 79 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 29. Three machines are being evaluated in a one way ANOVA, a total of sixteen trials have been conducted. How many degrees of freedom are available to evaluate the error term? a. b. c. d. 12 13 14 15 30. Which two of the following confidence interval calculations require the use of Z table values? I. II. III. IV. a. b. c. d. Larger sample means Small sample means Variation confidence intervals Proportion confidence intervals I and II only II and III only I and III only I and IV only 31. Given the following results obtained from a fixed factor randomized block designed experiment in which the production outputs of three machines A, B, C, are compared: A 4 8 5 7 6 B 2 0 1 -2 4 C -3 1 -2 -1 0 How many degreed of freedom are used to compute the error variance? a. b. c. d. 2 3 12 14 32. Assuming that a X2 goodness of fit test is being performed with a fixed number of cells and fixed confidence level, which of the following distributions would have the most degrees of freedom? a. b. c. d. Normal Poisson Binomial Uniform 80 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 33. An analysis of variance (ANOVA) is the usual for experiments involving several treatments at various levels. A reason for the use of ANOVA for significance testing is: a. Equality of sample means can be tested by comparing sample variances b. Within treatment variation and between treatment variation can be totaled c. The t-test is inadequate for testing beyond two means d. The F test is a measure of the variances 34. A string tension gauge is used to validate settings on a tennis racket stringing machine. What are the 90% confidence limits for the estimate true value string tension? - String tension measurements: 57 pounds, 56 pounds, 60 pounds, 62 pounds, 55 pounds, 59 pounds a. b. c. d. 61.79 pounds, 54.54 pounds 60.28 pounds, 56.06 pounds 60.34 pounds, 56.00 pounds 59.94 pounds, 56.39 pounds 35. A study was made on the effects of several health additives for a number of elite runners. The results of a One-Way ANOVA are presented in the following table. How many additives were in the study? Source Between Within Total a. b. c. d. Df 3 15 18 Sum of Squares 55.00 450.50 505.50 MS 3 4 15 18 36. A technique used to measure the degree of independence between two random variables is: a. Regression analysis b. Hypothesis testing c. Correlation analysis 81 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. Sampling 37. The determination of temporal variation in multi-vari charting means: a. b. c. d. Variation within piece Variation over time Variation piece to piece Variation within batch 38. What is the principal advantage of multi-vari charting? a. b. c. d. It graphically displays the variation in a process It keeps track of the time that measurements were made It assists in the breakdown of components of variation It is much easier to plot that most control charts 39. To determine if there is a difference between treatment means, there s a breakpoint between using an analysis of variance or a t-test. The analysis of variance test can be used: a. b. c. d. With two or more treatment means With three treatment means With four treatment means With any number of treatment means 40. An F distribution resembles most closely: a. b. c. d. A t distribution A chi-square distribution An exponential distribution A log normal distribution 41. Components of variance can be developed for a One-Way ANOVA experiment. Generally, the experiment will be based on a randomized model. The components of variance will enable the experiments to determine which of the following? I. II. III. The extent of contribution by each source of variance How much of the variance is due to differences in treatment means How much of the variance is due to experimental error a. I only b. I only 82 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. II and III only d. I, II and III 42. It is desirable to reduce the variation in a process. The current is known to be six. A new process yielded a standard deviation of two for twenty-five trials. What is the chi-square calculated statistics? a. b. c. d. 13.85 15.66 16.00 18.24 43. Refer to the following ANOVA table: Source Materials Machines Errors SS 900 2100 300 DF 2 2 10 14 MS 450 1050 30 Calc. F 15 35 Critical What are the missing critical values, assuming 95% confidence? a. b. c. d. 4.10, 4.10 19.40, 19.40 3.74, 4.60 4.60, 3.74 44. In one way ANOVA, how is the SSE (the experimental error sum of squares ) usually determined? a. b. c. d. By dividing SST by the total DF By subtracting SST from Total SS By dividing Total SS by SST By subtracting Total SS from SST 45. Why should an experimenter plot data points and graph the least squares line if a probabilistic regression model exist? a. b. c. d. To visually present the relationship to others To check for fit; there may be a calculation error There’s no rational reason for doing so To permit a projection outside if the test area 83 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 46. Identify the true statements, regarding non-parametric techniques, from the options below: I. II. No assumption of a population distribution is made They are more powerful than corresponding parametric tests using the same sample size They are useful in solving many engineering problems Many of these tests require data ranking III. IV. a. b. c. d. III only II and III only I, III and IV only I, II, III and IV 47. What inference test compares observed and expected frequencies of test outcomes? a. b. c. d. F test Chi-square test t test Paired t test 48. Most practitioners of regression analysis would not be surprised to find that: The coefficient of determination is greater than r2 B. The r2 value is a smaller absolute value than r C. T he correlation coefficient equals r2 D. The correlation coefficient equals the slope of the line A. a. b. c. d. A B C D 49. A multi-vari chart indicates: - 15% within piece variation - 65% piece to piece variation - 10% over time variation What is the normal action sequence to reduce variation? a. Cyclical, temporal, positional b. Positional, cyclical, temporal 84 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. Cyclical, positional, temporal d. Temporal cyclical positional 50. From a statistical standpoint, the sample size for hypothesis testing depends on: I. II. III. IV. a. b. c. d. The required type I and type II risk The minimum population shift of interest The variations in the population of interest The cost of taking a sample I and III only I, II and III only II and IV only I, II, III and IV 51. In which of the following hypothesis tests would be the degrees of freedom be a tricky calculation, often resulting in rounding to the next lowest whole number? a. b. c. d. A chi-square test, with a known population variance A chi-square test, with and unknown population variance A two mean t test with unknown, (considered equal ) variances A two mean t test with unknown, ( considered unequal ) variances 52. A study was made on the effects of several health additives for a number of elite runners. The result of a One-Way ANOVA are presented in the following table. How many subject (runners) were in the study? Source Between Within Total a. b. c. d. Df 3 15 18 Sum of Squares 55.00 450.50 505.50 MS 18 19 3 4 53. In hypothesis testing if one stated a one minus the level of confidence risk, what statistic would be under consideration? a. The alpha risk 85 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 b. The I-alpha risk c. The beta risk d. The I-beta risk 54. Six independent samples are taken of smokestack gas. The mean value of a critical pollutant was 30.2 ppm for the six samples, with a standard deviation S = 5 ppm. Assuming that the samples were taken at random times, what is the 90% confidence interval for the proportion of the critical pollutant in the smokestack gas? a. b. c. d. 30.2 30.2 30.2 30.2 4.11ppm 3.96 ppm 4.00 ppm 3.36 ppm 55. Calculate the F value and determine the 80% confidence limits for 2 2 S1 50, v1 9, S 2 29, v2 12 a. b. c. d. .684, 3.965 .724, 3.810 .700, 3.850 2.30, 2.52 56. If a multi-vari chart shows that 60% of variation is within piece, 25% of variation is piece to piece and 10% of variation occurs over time, what would be indicated action sequence? a. b. c. d. Temporal, positional, cyclical Positional, temporal, cyclical Cyclical, positional, temporal Positional, cyclical, temporal 57. I f four inspectors were evaluated, for the detection or non-detection of a defect in twenty samples, how many degrees of freedom would be used to determine the critical chi-square value? a. b. c. d. 16 8 6 3 86 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 58. Which of the following statements about the coefficient of correlation, r, is (are) true? I. II. III. a. b. c. d. r will have the same sing as 1 r equals 0, when 1 =0 When r equals 1, 1 is positive I only I and III only II and III only I, II and III 59. When plotting a multi-vari chart on graph paper, what metric is used for the vertical scale? a. b. c. d. Time Count data Variable data Percentages 60. The alpha critical region, to determine if a new pen writes more strokes before refill, would be placed: a. b. c. d. In the upper tail In both upper and lower tails In the lower tail In neither tail 61. A study was made on the effects of several health additives or a number of elite runners. The results of a One-Way ANOVA are presented in the following table. What are the MS values? Source Between Within Total P< .05 a. b. c. d. Df 3 15 18 Sum of Squares 55.00 450.50 505.50 55.0, 450.50. 505.50 55.0, 450.50 18.3, 30.0, 28.1 18.3, 30.0 87 MS UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 62. A correlation of +0.95 for two variables, x and y, means that: I. II. a. b. c. d. There is a strong linear relationship between x and y y may be predicted from x using the equation y=0.95x I only II only Both I and II Neither I and II 63. It is desirable to reduce the variation in a process. The current variance is known to be seven. A new process yielded a standard deviation of two for twenty-five test trials. What is the calculated statistic and decision for 95% confidence? a. b. c. d. 13.71, reject the null 13.71 fail to reject the null 13.85 reject the null 13.85 fail to reject the null 64. Which factors must be considered to discriminate differences in input parameters when calculating sample size? I. II. III. IV. a. b. c. d. Parameter shift sensitivity Population variance Risk size, both alpha and beta Population size I and III only II and III only I, II and III only I, III and IV only 65. What is the Z value needed to conduct a two tail in a statistical inference problem, specifying 90% level of confidence? a. b. c. d. 1.96 1.28 1.65 2.24 66. Identify those tests that require a chi-square calculation. I. Goodness of fit 88 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA II. III. IV. a. b. c. d. P. REYES / JUNIO 2004 Contingency coefficient Friedman test Mood’s median test I and II only II and III only I, II and IV only I, II, III and IV 67. For a one tail F test ( 95% confidence ) with ten samples yielding a variance of nine and nine samples yielding a variance of four, what would the test result? a. b. c. d. Fail to reject the null hypothesis Reject the null hypothesis Accept the alternate hypothesis Fail to reject the alternate hypothesis 68. A limousine service wants to find the most consistent route between the city center and the airport ease scheduling conflicts. 6 timed runs were made along route A and the standard deviation was 10.5 minutes. Along route B, 8 test runs were made and the standard deviation dropped to 5.2 minutes. Determine whether there is sufficient evidence to determine that route B is more consistent, with 95% confidence. What are the calculated and critical test values and what was the result? I. II. III. IV. a. b. c. d. Critical = 3.58, Calculated = 0.245, fail to reject the null hypothesis – route B is not more consistent Critical = 3.98, Calculated = 4.08, Reject the null hypothesis – route B is more consistent Critical = 4.88, Calculated = 4.08, Reject the null hypothesis – route B is more consistent Critical = 3.97, Calculated = 2.02, Fail to reject the null hypothesis – route B is not more consistent I only II only III only IV only 89 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 69. Your company has just installed a new computer data entry system and you must determine the new input error rates. Management requires you to report the error rate within 0.5%, at a 95% confidence level. What sample size do you need if the population standard deviation is 1.2%? a. b. c. d. 15 16 22 23 70. A regression analysis yielded a total sum of squared errors of 1000 and a total sum of squares equal to 1600. What is the correlation coefficient? a. b. c. d. Cannot be determined from the given information +0.375 or -0.375 +0.612 or -0.612 +0.790 or -0.790 71. A Six sigma black belt is performing a hypothesis of two sample means. Sixteen samples of method A and sixteen of method B are produced. The standard deviations are unknown, but thought to be the same. How many degrees of freedom are to be used for the t test? a. b. c. d. 16 30 31 32 72. What table value is normally used to place a confidence interval on the slope of a line in simple linear regression? a. b. c. d. t F z Chi-square 73. Identify the non-parametric test that uses a t test statistic a. b. c. d. Spearman rank coefficient Levene’s test Runs test Mood’s median test 90 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 74. An analysis of variance (ANOVA) is used to analyze the data gathered in an experiment. One-Way ANOVA implies that this tool deals with: I. II. III. IV. a. b. c. d. One level Independent samples One dependent variable One independent variable I only II and III only II, III and IV only I, II, III and IV 75. Identify the confidence interval calculation that is most likely to be non-symmetrical a. b. c. d. Large sample mean Small sample mean Variation confidence interval Proportion confidence interval 91 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 7. Six Sigma – Improve 1. In designed experiments, if the main effect A can not be distinguished from the interaction term BC, then it can be stated that: a. b. c. d. A is a main effect, not significantly different from BC A is diffused into BC A is an alias of BC A and BC have an interaction element 2. Residuals are estimates of experimental error obtained by subtracting the predicted responses from the observed responses. The residuals should be checked for behavior. This can be accomplished by which of the following methods? a. b. c. d. Applying a statistical test such as a t test Using a normal probability plot Using a box-and-whiskers box chart Comparing the Xs to the Ys 3. What is the major disadvantage of the one factor at a time experimental strategy? a. b. c. d. It can be more costly to conduct It fails to account for interactions between factors It offers no ability to vary factors together It is less efficient than designed experiments 4. A 3 x 3 Latin Square would have how many error degrees of freedom? a. b. c. d. Two Three Four Five 5. Good planning and execution of an experimental design essential for success. Which of the following steps is out of sequence? 1. 2. 3. 4. Select an experimental design Set objectives Select process variables Execute the design 92 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 5. Verify the data 6. Analyze and interpret the results 7. Present the results a. b. c. d. Select an experimental design Set objectives Verify data Select process variables 6. As good experimenter, you have built a predictive model of the experimental data. The differences between the actual response data and the model data are termed: a. b. c. d. Confounded data Nested experiments Residuals Efficiency of estimators 7. A Box-Behnken experimental design is an independent quadratic design. The endpoints of the design are not used for testing. The BoxBehnken design possesses which of the following features? I. II. III. It requires 3 levels for each factor It is rotatable design It always requires fewer runs than other central composite design a. b. c. d. I and II only II and III only I and III only I, II and III 8. Which of the following interactions, is factual? statements, regarding experimental a. They occur with experimental signal factors and not variation (noise) factors b. They occur frequently during experimentation c. They are noted often in randomized block designs d. They occur most often when multiple input factors are evaluated 9. One has to determine a mailing method to obtain the best response rates for an educational program. The proposed methods include mailing on Wednesdays, not Mondays; “special delivery” versus regular delivery; or follow up on the mailing versus no follow up on the 93 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 mailing. This could involve several thousand items over a length of time. Which of the following methods is LEAST desirable? a. b. c. d. Send mailings based on changing 1 factor at a time Use a mailing based on a full factorial design Generate a fractional factorial design Use a Plackett and Burman design 10. What form of product design did Taguchi state was the most neglected area? a. b. c. d. System design Product design Parameter design Tolerance design 11. Response surface methodology is useful for all of the following studies, EXCEPT: a. b. c. d. A response to several input variables Two responses for two input variables A response to multiple input variables in a planar surface A single point study 12. The following Latin Square design of gas mileage by 5 drivers ( A, B, C, D & E) with 5 different cars and 5 different carburetors. The proposed Latin Square design lacks what requirement? Car 1 2 3 4 5 a. b. c. d. I A B C D E II B A D E A Carburetor Type III C D A A B The car versus carburetor interaction A balanced model involving all factors The car and driver interaction The inner matrix of Greek letters 94 IV D E A B C V E A B C D UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 13. The preferred method for determining for determining an optimal point on a response surface is termed: a. b. c. d. One factor at a time Steepest ascent The rising ridge approach Mound methodology 14. The term level in experimental design refers to: a. b. c. d. The complexity of the design The specific settings of input factors The number of output responses The number of independent trials of tests 15. EVOP is an experimental strategy that has produced some good results on the production floor. It involves small changes in the process to test for improvements. Testing and data collection in an EVOP experiment is typically performed by: a. b. c. d. Supervisors of the process Operators of the process Engineers Six Sigma black belts 16. A mixture design ( such as the Sample-Lattice design ) has all of the following assumptions EXCEPT: a. b. c. d. Errors are independent Errors are distributed with zero mean Error will be determined by the Bonferroni method Errors have a common variance 17. Plackett and Burman experimental designs are called screening designs. A screening can be defined as: a. b. c. d. An experimental with interactions among the main effects The use of non-geometric experimental designs An identification of the key input factors A fractional factorial experimental 18. Central composite designs are one of the classes of response surface designs. They are popular because: 95 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA I. II. III. IV. a. b. c. d. P. REYES / JUNIO 2004 Sequential runs of linear or curvature effects (if needed) can be made They provide much information from minimum of runs They require only one set of runs for superior results They are quite flexible over different experimental regions I only II and III only I, II and IV only I, II, III and IV 19. Given the Simplex-Lattice matrix below, what would the proper form of the design variables: q and m? X1 0 0.5 1 0 0.5 0 a. b. c. d. X2 0 0 0 0.5 0.5 1 X3 1 0.5 0 0.5 0 0 {6,3} {3,2} {3,4} {2,3} 20. Which of the following design runs are possible for a three factor simplex-lattice design? I. II. III. IV. 1.333, 0, 1 1, 0, 0 0.5, 0.5, 0.5 0.333, 0.667, 0 a. b. c. d. I and II only I and III only II and IV only II and III and IV only 21. Any experimental equation that shows two factors multiplied by each other can indicate: I. II. A slope A twist 96 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA III. IV. A curve An interaction a. b. c. d. I and II only II and III only I and III only II and III and IV only P. REYES / JUNIO 2004 22. For a simplex- lattice design the following formula or equation determines: Y a. b. c. d. q m 1! m!q 1! The canonical formula for linear coefficients The portion of each polynomial in the experimental model The canonical coefficient for cubic model The number of design points 23. A one half fractional factorial design for three at two levels would be considered: a. b. c. d. A resolution II design A resolution III design A resolution IV design A resolution V design 24. The market value of a house is to be determined by 2 input factors. The input factors are the square feet of living space and the number of bedrooms. If the input factors are highly correlated with each other, this could indicate that: I. II. III. IV. a. b. c. d. A multicollinearity condition exists The variables are linear combinations of each other This is an interrelation of factors One of the factors is redundant I only I and III only II, III and IV only I, II, III and IV 97 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 25. The linear graphs which accompany Taguchi design have as their objectives: I. II. III. IV. a. b. c. d. Providing a compact design layout Providing a visualization of the design options Depicting where main factors can be assigned Depicting where interactions may be evaluated II only I, II and III only II, III and IV only I, II, III and IV 26. The key to achieving design robustness is to: a. b. c. d. Control the signal factors Choose high signal-noise ratios Make the output response insensitive to noise variation Design tolerances before parameters 27. A L8 (27)design matrix is show below. What statements are true of this experimental design? Column number 1 2 3 4 5 6 7 run number o o x o x x o 1 2 3 4 5 6 7 8 1 1 1 1 2 2 2 2 1 1 2 2 1 1 2 2 1 1 2 2 2 2 1 1 1 2 1 2 1 2 1 2 1 2 1 2 2 1 2 1 1 2 2 1 1 2 2 1 1 2 2 1 2 1 1 2 Note: o – means ok to use column x – means use, but involved with interactions from other columns I. Use seven factors if no interaction are present 98 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA II. III. IV. a. b. c. d. P. REYES / JUNIO 2004 Use with four factors, which will be confounded with 2-factor interactions Column 3 is suitable for use un a four – factor experiment The design will be saturated at seven factors I only II and III only I, II and IV only I, II, III and IV 28. When conducting a simplex-lattice mixture, which of the following statements is NOT true? a. b. c. d. The proportion of one component can be twice of another Trial can be conducted with only one component A trial can be conducted with two of three components An equal number of test must be conducted for each blend 29. Taguchi Methods uses a linear graph to help interpret the corresponding orthogonal array. For instance in an L9 array, a linear graph with factors 1 and 2 at the endpoints, and factors 3 and 4 at the midpoint indicates: a. b. c. d. Factor 3 and 4 are possible interactions of factors 1 and 2 Factor 3 is the only interaction between 1 and 2, the 4 is a mistake Factor 4 is the only interaction between 1 and 2, the 3 is a mistake The linear graph should be a triangle with 1, 2, 3 at the end points 30. An experiment was conducted on five different extruders of polymer, with readings from 4 die positions, marked A, B, C and D. Each die position is unique for each extruder. There were 4 applications per die position. Each extruder had its own die, and the 4 positions were marked for testing. This is a type of: a. b. c. d. 5 x 4 factorial experiment Nested experiment Completely randomized experiment Fractional factorial experiment 31. Experimental design can be effectively used to: I. II. III. Choose between alternatives Select key factors affecting a response Reduce variability of a process 99 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA IV. a. b. c. d. P. REYES / JUNIO 2004 Control uncontrollable noise factors I only II and III only I, II and III only I, II, III and IV 32. Experimental design usually call for testing a number of factors and keeping all other conditions as nearly constant as possible. Taguchi Methods call for similar techniques, but with a twist. Noise are changed a bit to determine robustness. Where are the noise factors placed? a. b. c. d. Control array Inner array Outer array Quadratic array 33. If an experiment has an alias, one would say that the two factor effects are: a. b. c. d. Confounded Blocked Misnamed Mixtures 34. A response surface experiment attempts to accomplish which of the following? I. II. III. a. b. c. d. Moving toward the optimal point after each experiment Determining the equation of the response surface near the optimal point Inexpensive and simple experimentation, similar to EVOP I only II only I and II only I, II and III 35. Evolutionary Operation (EVOP) is being considered at your plant. You present these arguments for its use: I. II. EVOP is a conservative strategy for improvement Product runs will be conducted with very little scrap 100 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA III. IV. a. b. c. d. P. REYES / JUNIO 2004 For any one series of tests only a few variables are changed The runs and analysis can be conducted by production operators I only II and III only I, II and IV only I, II, III and IV 36. A L8 (27) design matrix is shown below. An experimental consisting of 4 factors is being planned. Interactions are expected in this design plan. Where should the 4 factors be placed? Column number 1 2 3 4 5 6 7 run number o o x o x x o 1 2 3 4 5 6 7 8 1 1 1 1 2 2 2 2 1 1 2 2 1 1 2 2 1 1 2 2 2 2 1 1 1 2 1 2 1 2 1 2 1 2 1 2 2 1 2 1 1 2 2 1 1 2 2 1 1 2 2 1 2 1 1 2 Note: x – means involved with interactions from other columns a. b. c. d. Columns 1, 2, 3 and 4 Columns 1, 3, 5 and 6 Columns 1, 2, 4 and 7 Any four columns are acceptable 37. For the analysis of response surfaces, one special design is a cube with eight points, supplemented with a 23 factorial. The points are on each axis. These axis points are at a radius equal to the vertex. There are 15 points (including the center point). This design is termed: a. b. c. d. Central composite design Box-Behnken design Response surface method EVOP 101 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 38. A Latin Square design, consisting of the following factors: 5 cars, 5 carburetors and 5 drivers, would be considered what type of experiment? a. b. c. d. A factorial experiment of 125 runs A 4 level experiment A 5 factor experiment A one-fifth fractional factorial experiment 39. A lack of statistical knowledge on the experimenter’s part could result in several items going wrong including: I. II. III. IV. a. b. c. d. Confounding of undesired effects and interactions Experimental results corrupted by measurement error Inappropriate ranges of control variables Misidentified control factors causing distorted results I only II and III only I, II and IV only I, II, III and IV 40. A four factor, three level experiment must be conducted. What are the fewest number of trials possible if all interactions are ignored? a. b. c. d. 9 18 27 81 41. Data from mixture experiments are gathered and analyzed through canonical polynomials. These polynomials are primarily defined as canonical because: a. b. c. d. The sum of the proportions must equal one The polynomials are different from regular regression equations The number of terms in the polynomial are (q+m-1)!/m!(q-1)! The terms in the polynomials have simple interpretations 42. If the sample space contains several unknown minimax areas, then what can happen using steepest ascent methodology? a. Many tests may be required b. The yield contours must be ignored 102 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. The design area around point p must be expanded d. A wrong answer can result 43. An experimental design using a Latin Square of 3 factors and 5 level will be able to determine which of the following? a. b. c. d. Main treatment effects and interactions Interactions only Column and row effects Main treatment effects 44. A fractional factorial design for 5 factors (A, B, C, D and E) at 2 levels (+,-) with 8 runs has been designed. In this design, the D and E factors were overlayed into a standard 2 level, 3 factor design. The design matrix has which effects confounded? Test 1 2 3 4 5 6 7 8 I. II. III. IV. a. b. c. d. A + + + + B + + + + C + + + + D + + + + E + + + + ABC in confounded with E AB in confounded with D AC in confounded with E BC in confounded with D I and II only I and IV only II and III only II and IV only 45. Most modern computer programs will perform an analysis of experimental residuals. What other techniques can be employed? I. II. III. Control Charts Histograms Normal probability plots 103 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA IV. Dot plots a. b. c. d. I and II only II, III and IV only II and IV only I, II, III and IV P. REYES / JUNIO 2004 46. The following experimental design model below is described as a second – order model. The model has these characteristics: Y B0 B1 X1 B12 X1 X 2 B2 X 2 I. II. III. a. b. c. d. Curvature is present in the model An interaction of factors is shown Error is present in the model I only II and III only I and III only I, II and III 47. The iterative approach to DOE refers to: a. b. c. d. The use of sequential experimentation Assuring the stability of the process experimentation Assuring the capability of the measurement system Appropriate estimates of experimental error 48. The following design equation; y b0 b1 x1 b2 x2 I. II. III. IV. a. b. c. d. Is a quadratic equation Is a first order equation Accounts for no curvature Has an interaction I only II and III only I and III only I, II, III and IV 104 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 49. A fractional factorial experiment is to be conducted. The main effects will not be confounded with the two factor interactions. But two factor interactions may be confounded with other two factor interactions. The design resolution is: a. b. c. d. Resolution II Resolution III Resolution IV Resolution V 50. One would classify Plackett-Burman designs as: a. b. c. d. Screening designs Geometric designs Orthogonal designs Parallel experiments 51. Taguchi methodology seeks to reduce the loss to society by: I. II. III. IV. a. b. c. d. Reducing variation in the process Reducing variation in the product Utilizing Shingo techniques Improving the product development variation process for reduced I only II and III only I, II and IV only I, II, III and IV 52. Modern designed experiments can best be defined as having a methodology to: I. II. III. IV. a. b. c. d. Vary independent variables simultaneously Perform trials in a carefully planned manner Change factors one or two at a time Hold many factors constant I only I and II only II and III only I, II, III and Iv 105 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 53. Box-Wilson central composite designs (CCC and CCI) are rotatable designs. This implies: a. b. c. d. The points of the exterior star design can be moved around easily Star point are +/1 unit away from the center of the design space There is a consistent and stable variance about any star point The star points are 1.414 units away from the center 54. Plackett and Burman designs are used for screening experiments. There are geometric and non-geometric designs. It has been stated that runs of 12, 20, 24, 28 and 36 runs are non-geometric designs. This is because: a. The runs are in multiples of 4 b. The non-geometric design has 2 – factor interactions confounded with main effects c. The geometric design are in powers of 2 d. A PB design of 12 runs can have 11 factors covered 55. If confounding occurs in the three factor experiment (A, B and C) conducted at two levels, one would expect that factor A would be confounded with: a. b. c. d. Factor B Factor C The BC interaction Either the AB or AC interaction 56. A prime reason to consider the use of Evolutionary Operation (EVOP) in industrial facilities would be: a. When a bold strategy for improvement is considered b. When existing industrial processes are not running at their highest efficiencies c. To test large samples in a conservative manner d. Because calculations for EVOP are simplified and will lead to better results 57. In a mixture experiment, the independent factors are blended in to the end product. All of the following are proper mixtures of three components EXCEPT for: a. 0.33, 0.33, 0.33 b. 1.0, 0, 0 106 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. 0.50, 0, 0.50 d. 0.25, 0.25, 0.25 58. An experiment is to be conducted, you have requested that a statistics professor develop a design for you. From a practical viewpoint, you should review the design because: I. II. III. a. b. c. d. The professor may have limited plant knowledge There may be undesirable combinations of variable control levels The design may cause a violation of known physical laws I only I and II only II and III only I, II and III 59. Taguchi methods employ a series of arrays in the experimental design. Which of the following choices includes noise factors? a. b. c. d. Signal-to-noise arrays Inner arrays Outer arrays Replication arrays 60. As the Six Sigma resource for the plant, you are considering the makeup of an experimentation team. The team should consist of: a. b. c. d. Yourself only Yourself and a technician A functional team A cross-functional team 61. Many experimental design authors suggest the use of control runs. These control runs can include tests at the standard process setpoints. The conduct of a test with the centerpoints as a setpoints would most clearly imply or suggest: a. b. c. d. Use of a central composite design Use of a simplex-lattice design Use of a response surface method Use of a full factorial design 107 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 62. Which of the following statements is true about a Latin Square design? a. It allows for the effects of interaction in the design b. It does not allow for the effects of the interaction in the design c. It eliminates the need to ensure that the effects of interaction are additive d. It is useful because the underlying distribution does not need to be normal 63. A randomized complete block design is used to reduce the residual error in an experiment. A special type of randomize complete block design will remove 2 sources of variability in the design by blocking in 2 directions. This is referred to as a: a. b. c. d. Greco – Latin square Latin Square design Hyper – Greco – Latin design Randomized incomplete block 64. Designed experiments can be best described as: a. b. c. d. Better than one factor at a time testing Requiring special situations for application A challenge to the classical method of testing A careful planned application of the scientific method 65. In examining the residual of an experiment, one would expect to see all of the following results, EXCEPT? a. b. c. d. Some residuals higher than predicted Some residuals lower than expected Some residuals exhibiting correlation A consistent amount of error across the test range 66. An experiment was conducted to determine the effectiveness of a new and improved feed for hogs. The exact amount (x) of feed was measured and the change in the weight of the hogs become the response variable. If it was determined that the initial weight of the hogs was correlated to the weight gained then the initial weight of the test hog could be termed: a. Covariate b. Collinear 108 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. Confounding d. Interacting effect 67. Experimental design involves process variables including: I. II. III. IV. a. b. c. d. Input variables Output variables Predictor variables Dependent variables I and II only II and III only III and IV only I, II, III and IV 68. A designed experiment is to be conducted with four factors at three levels. The factors and levels will be randomized and as uniform as possible. This design is termed: a. b. c. d. A one-way ANOVA design A completely randomized design A two-way ANOVA design A Latin Square 69. Box – Wilson central composite designs are experimental designs with center and “star” points that allow for estimation of curvature. In CCC designs, if the distance from the center of the design space to a factorial point is +/- 1 unit, what is the distance from the center to a star point? a. b. c. d. Square root of 2 1 0.576 Alpha 70. For a mixture experiment, the design is expressed as { 4, 5 }, This implies: a. b. c. d. 5 trials of 4 components 4 proportions, 5 components 4 components, 6 proportions 4 side cube, 5 points in the cube face 109 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 71. Taguchi methods uses a linear graph to help interpret the corresponding orthogonal array. For instance, for a L4 array, a linear graph with factors 1 and 2 the end points and factor 3 at the midpoint indicates: a. b. c. d. Factor 3 is the interaction of factors 1 and 2 That factor 4 is missing since it is a L4 The main factors (1 and 3) are interactions Factor 2 will be the experimental result 72. Randomized block designs are best suited for: a. b. c. d. Screening objectives Comparative objectives Response surface objectives Regression model objectives 73. When mixture components are subject constraints such as maximum or minimum values, what types of designs are most appropriate? I. II. III. IV. a. b. c. d. Constrained mixture designs Simplex – Lattice designs Extreme vertices designs Simple centroid designs I and II only I and III only II, III and IV only I, II, III and IV 74. A 1/3 fractional factorial experiment of 9 runs with 3 factors at 3 levels and interactions can be designed as: A. B. C. D. 33-1 L9 32 1/3 ( 3 x 4 ) a. b. c. d. A B C D 110 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA 75. A Taguchi L9 design consist of: I. II. III. a. b. c. d. 9 design runs 3 factor levels 4 input factors I only I and II only II and III only I, II and III 111 P. REYES / JUNIO 2004 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 8. Six Sigma – Control 1. If points on a c chart are outside of the control limits and we wish to set up a control chart for future production A. More data are needed B. Discard those points falling outside the control limits, for which you can identify and assignable cause and revise the limits C. Check with production to determine the true process capability D. Discard those points falling outside the control limits and revise the limits a. b. c. d. A B C D 2. a. b. c. d. There are several different varieties of media control charts. If median values and ranges are plotted, what would be expected to be different than experienced with and X bar – R chart for the same sample size? Assume that control limits are used. The middle value would be circled on the median chart The range chart would have different control limits The median control limits would be wider apart The lower limit on the range chart could not be zero 3. You have just returned from a two – week vacation and are going over with your QC manager, the control charts which have been maintained during your absence. He calls your attention to the fact that one of the X bar – charts shows the last 50 points to be very near the center line. In fact, they all seem to be within about one sigma of the center line. What explanation would you offer him? A. Somebody “goofed” in the original calculation of the control limits B. The process standard deviation has decreased during the time the last 50 sample were taken and nobody thought to recomputed the control limits. C. This is a terrible situation. I’ll get on it right away and see what the trouble is. I hope we haven’t produced too much scrap. D. This is fine, the closer the points are to the center line the better our control 112 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. A B C D 4. a. b. c. d. If two – sigma limits are substituted for conventional three- sigma limits on a control chart, which of the following occurs? Decrease in alpha risk Increase in beta risk Increase in alpha risk Increase in sample size 6. a. b. c. d. A process is checked at random by inspection of samples of four shifts after a polishing operation and X bar and R chart are maintained. A person making a spot check measures two shafts accurately and plots their range on the R chart. The point falls just outside the control limit. He advises the department foreman to stop the process. This decision indicates that: The process level is out of control The process level is out of control but not the dispersion The person is misusing the chart The process dispersion is out of control 5. a. b. c. d. P. REYES / JUNIO 2004 If a process is out of control, the theoretical probability that a single point on the X bar chart will fall between plus one sigma and the upper control limit is:} 0.2240 0.1587 Unknown 0.3413 7. When using a control chart, a point plotting within the limits on the chart is: a. The equivalent of type I error b. The equivalent of type II error c. The equivalent of accepting the hypothesis that the process is in control d. The equivalent of not rejecting the hypothesis that the process is in control 113 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA 8. a. b. c. d. A process is running under pre–control conditions and two consecutive pieces have been sampled. The first piece is measured to be in the green zone. What is the probability that the second piece will be measured to be in the red or yellow zone? Zero 1/49 1/98 1/196 9. a. b. c. d. P. REYES / JUNIO 2004 In which one of the following is the use of an X bar and R chart liable to be most helpful as a tool to control a process: The machine capability is wider than the specification The machine capability is equal to the specification The machine capability is somewhat smaller than the specification The machine capability is very small compared to the specification 10. What type of control chart employs a V-mask? a. b. c. d. EWMA Moving average CuSum Short run 11. What lean technique is most widely used to make problems visible? a. b. c. d. JIT 5S Kaizen SMED 12. An attempt to minimize the impact of human error in a process is called: a. b. c. d. Poka – yoke Jidohka Kaizen Muda 114 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 13. Which of the following statements is NOT true in regard to X bar control charts? A. The width of the limits are usually set at plus or minus 3 standard deviations of the process B. The width of the limits are inversely proportional to the square root of the sample size C. If the process is in control, 2700 points per million will fall outside the control limits D. If the process is in control, ½ the points will fall below the center line a. b. c. d. A B C D 14. What does the parameter chart? a. b. c. d. stand for when plotting an EWMA The variance The depth of memory The time that sample is taken The number of observations to be monitored 15. Which of the following techniques compliment the visual factory concept? a. b. c. d. does NOT necessarily Kanban Tool boards 5S Poka-yoke 16. Given that resistors are produced in lots of 1000 and the average number of defective resistors per lot is 12.7, what are the upper and lower limits for the control chart appropriate for this process? a. b. c. d. LCL = 2.0 UCL = 23.4 LCL = 3.8 UCL = 20.2 LCL = 0.031 UCL = 0.131 LCL = 1.5 UCL = 26.7 17. If six consecutive samples were taken from a process and measured precisely, one would still expect to find differences. What type of variation would be most difficult to determine? 115 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 Lot a lot variation Piece to piece variation Inherent process variation Error of measurement 18. Total productive maintenance involves coordinated group activities fro greater equipment effectiveness. Which of the following elements are also included? I. II. III. IV. a. b. c. d. Predictive maintenance Preventative maintenance Increased machine reliability Ease of maintenance I and II only II and III only II, III and IV only I, II, III and IV 19. What % of product should fall between the P – C lines (green zone) on a pre-control chart, assuming that the process is stable? a. b. c. d. 60% 68.4% 86% 95.4% 20. When using a pre-control chart, it’s possible to have two consecutive samples outside of the target are but inside of the specification. What is the expectation that two consecutive samples would both fall between the target area and specification limit on the high side? a. b. c. d. 1/7 1/49 1/196 1/98 21. In control chart theory, the distribution of the number of defects per unit follows very closely the: a. Normal distribution b. Binomial distribution c. Chi-square distribution 116 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. Poisson distribution 22. If we drew a large number of samples from a controlled process, we would not be surprised to discover: I. II. III. a. b. c. d. Some differences among the values of the sample means A distribution of sample means around some central value That many sample means differ from the process average I only II only I and III only I, II and III 23. If the specifications limits are narrower than the control limits, then: I. II. III. a. b. c. d. The process is not capable The process is considered to be out of control is a point falls beyond the specification limits The specification limit replace the control limits on the chart I only I and II only II and III only I, II and III 24. As applied to a Six Sigma environment, how would control chart variables be selected? I. II. III. IV. a. b. c. d. From CTQ characteristics From KPIV’s From KPOV’s From non-critical KPIVs and KPOVs I and IV only I, II and III only II, III and IV only I, II, III and IV only 25. The main difference between traditional Kaizen and the Kaizen blitz approach is: a. The number of people involved b. The pace of the change effort 117 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. The amount of floor space saved d. The commitment level of maintenance 26. Why are variable control chart subgroup size generally 3, 4, 5 or 6? I. II. III. IV. a. b. c. d. Larger subgroup sizes would permit an opportunity for process changes within the subgroup The fit onto traditional chart paper very well They are large enough so that averages of data will follow the normal distribution They permit a separation of within time from time to time variation II and III only I and II only I, III and IV only I, II, III and IV 27. If value of one is used for outcome? a. b. c. d. in an EWMA chart, what will be the The chart becomes meaningless Only older data would be considered The variance of the EWMA statistic cannot be calculated The plot becomes a Shewhart chart 28. In addition, to determining if a process is in statistical control, what other applications can be made from variable control chart data? I. II. III. IV. a. b. c. d. Determining if changes made to the system were effective Determining the natural tolerance range of the process Determining when corrective action is necessary Determining if inspection costs can be minimized I and III only I, III and IV only II and III only I, II, III and IV 29. Identify the most logical reason for using short run SPC charts: a. There is limited operator time b. There is limited data c. There is a need to plot multiple variables per chart 118 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. There is a need to simplify the charting process 30. If a process is truly in control, what is the probability of observing a run violation of seven or more consecutive points on either side of the X bar chart centerline? a. b. c. d. 1/32 1/64 1/128 1/256 31. What is the inherent danger in using an X bar and sigma chart with sample size of 25? a. b. c. d. Finding appropriate control limit factors Interpreting the chart property Recording 25 data points in the data table Capturing too much variation in the sample 32. Which of the following statements is NOT true regarding the short run set chart? a. b. c. d. The control limits are looser than with X bar – R charts The X – bar value is subtracted from the target It can be used to plot die cavity data Both high and low range values are plotted 33. A “p” chart: a. b. c. d. Can be used for only one type of defect per chart Plots the number of defects in a sample Plots either the fraction or percent defective in order of time Plots variations in dimensions 34. Which control chart is normally used when monitoring the number of nonconformities per unit? a. b. c. d. c chart x bar chart np chart u chart 35. What two distinct types of variation are noted in control charts? 119 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 Random and chance Special and assignable Chance and assignable Normal and random 36. Certain Six Sigma improvement efforts have resulted in the need to replace the existing measurement system and others have not. What could be the reasons for staying with an existing system? I. II. III. IV. a. b. c. d. It’s precise enough No better equipment exists The current measurement is based on count data The improvement has not been successful I only II and III only I, II and IV only I, II, III and IV 37. When used together for variables data, which of the following pair of quantities is the most useful in preparing control charts? a. b. c. d. AQL, p – bar p, n X-bar and R R, sigma 38. An R chart is the most closely related to a: a. b. c. d. c chart S chart U chart Xbar chart 39. An X bar – R chart with n = 5 has been plotted for some time and has demonstrated random variation. Upon review of the last 30 plot points, the expected number of runs around the centerline on the X bar chart is expected to be approximately which of the following? a. b. c. d. 4 12 9 16 120 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 40. Standard work as visualized by the Japanese means: I. II. III. IV. a. b. c. d. Working harder Working safer Working productively Working under extreme constraints I and II only III and IV only II and III only I and IV only 41. Which of the following are included in the principles of 5 S? I. II. III. IV. a. b. c. d. Sorting out Systematic arrangement Self-discipline Systems management I only I, II and III only II, III and IV only I, II, III and IV 42. There are “six big losses” that many TPM efforts attempt to minimize. Identify the element that would NOT be included: a. b. c. d. Equipment failure Reduced yields Employee absenteeism Setup and adjustment 43. Non-value added activities on the factory flow are most clearly controlled by the elimination of: a. b. c. d. Gemba Muda Poka-yoke Kaizen 44. The control chart that is most sensitive to variations in a measurement is: a. p chart 121 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 b. np chart c. c chart d. X bar and R chart 45. American visitors to an aluminum plant in Japan were given white gloves to wear. What category of the 5S program was being displayed? a. b. c. d. Sort Scrub Straighten Standardize 46. A short run means chart, as suggested by Bothe, requires which of the following conditions? I. II. III. a. b. c. d. That mean values be converted into Z values That no traditional interpretation rules apply That the control limits be A2 I only II and III only I and III only I, II and III 47. The best chart for analyzing volatile data, like stock market averages or commodity prices, would be: a. b. c. d. EWMA CuSum Moving Average Short run 48. What is a major component of SPC? a. b. c. d. EVOP Control Charts Total productive maintenance DOE 49. Review the following 5S elements and identify the step that is being referenced. - Determine who has missing items 122 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA - Create a name and location for everything Use aisle and material placement markings Use labels, tool boards and color codes a. b. c. d. Sort Straighten Scrub Systematize P. REYES / JUNIO 2004 50. Since CuSum charts are more complicated to operate than Shewhart control charts, what is the most logical reason for using them at all? I. II. III. a. b. c. d. They require less data They can be computer generated They can detect smaller shifts in the process mean I only II and III only I and III only I, II and III 51. Which of the following charts does NOT require the averaging of variable data ? a. b. c. d. Moving average chart X bar – R chart mX – mR chart Multi-vari chart 52. Given an average of 1.93 nonconformities per 5 units, what is the upper limit of the control chart used in this situation? a. b. c. d. 6.10 2.45 7.13 3.79 53. The sensitivity of a p-chart to changes in quality is: a. b. c. d. Equal to that of a range chart Equal to that of a chart for averages Less than that of a c chart Greater than that of a u chart 123 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 54. How many of the following Japanese techniques are supportive of operational control? I. II. III. IV. a. b. c. d. Poka yoke 5S TPM Kanban II and IV only I, II and IV only II, III and IV only I, II, III and IV 55. Kanban concepts includes all of the following EXCEPT: a. b. c. d. Pull instead of push JIT One piece flow Storage in the warehouse but not on the production floor 56. Identify the LEAST likely result of adopting standardized work procedures: a. b. c. d. The tend to minimize variability They are a basis for training They assume marketplace success They preserve know-how and expertise 57. Which of the following types of control charts has the largest average run length for small shifts in the process mean? a. b. c. d. X bar Cumulative sum EWMA Dodge-Romig 58. Kaizen techniques: a. b. c. d. Are initiated by manufacturing workers Should be planned properly Can be expensive and nor worth doing Are important only when producing products 124 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 59. Compute the upper control limit an S chart, based on a sample size of 10, if the process is in control with a mean of 40 and a sample standard deviation of 7 a. b. c. d. 12.0 13.3 15.7 21.0 60. Pre-control starts a process specifically centered between: a. b. c. d. Process limits Specification limits Normal distribution limits Three-sigma control limits 125 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 9. Lean Enterprise 1. Lean enterprise may be summarized as: a. b. c. d. An entire organization involved with improvement Implementation of SMED cycle time techniques Poka-yoke principles in the workplace Ergonomics principles in the workplace 2. The theory of constraints concentrates mainly on: a. b. c. d. Understanding customer needs Developing a value stream map Achieving on-time goals Removing process bottlenecks 3. Where is the weakest link in the system chain? Demand 30 units / hr STEP I STEP II STEP III 20 units/hr 40 units/hr 12 units/hr a. b. c. d. STEP IV STEP V 16 units/hr 20 units/hr CUSTOMER Step I Step III Step IV Step V 4. Ergonomics reduces injuries and lost production. Which of the following are sound ergonomic principles in the work place? I. II. III. IV. a. b. c. d. Safety programs Changing employees to fit work place Re-designing tools to reduce stress Job rotations I only II and III only I, III and IV only I, II, III and IV 126 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 5. What is the maximum output per hour from the system below? Demand 30 units / hr STEP I STEP II STEP III 20 units/hr 40 units/hr 12 units/hr a. b. c. d. STEP IV STEP V 16 units/hr 20 units/hr CUSTOMER 20 16 12 6 6. Lean thinking enables companies to: I. II. III. IV. a. b. c. d. Find the best way to specify value for the customer Identify the value stream for each product Permit the customer to pull values as needed from the producer Reduce waste I and IV only II and III only I, III and IV only I, II, III and IV 7. Identify elements of Muda from the options below: I. II. III. IV. a. b. c. d. Over production In process inspection by operators Repair Excess motion I and IV only I, III and IV only I, II, III and IV I and III only 8. Which of the following is NOT a defect elimination and defection techniques? a. Vender certificate of compliance b. Poka-yoke 127 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 c. Source inspection d. Self checks by operators 9. Value stream mapping means: a. b. c. d. Flow charting techniques An identification of inputs, tasks and outputs A pictorial view that identifies process steps A graphical slow-charting technique that shows material and information flows 10. Identify the element that is NOT associated with excess inventory? a. b. c. d. Storage space Additional labor Transportation vehicles Expensive poka-yoke devices 11. What is a jidhoka? a. b. c. d. A totally automated process to reduce defectives A device that identifies good parts A technique which separates defectives from good parts A device that stops the machine whenever a defective is produced 12. Which of the following task is value added? a. b. c. d. An appropriate product development process Reworking parts to meet customers requirements MRB meetings Efficient material handling of customer returns 13. Identify the most common technique to reduce set-up time: a. b. c. d. Kaizen SMED Six Sigma Value stream mapping 14. Identify the best way to error proof activities? a. By corrective actions b. By preventive actions c. By containment actions 128 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 d. By temporary actions 15. When comparing push versus pull concepts, who is really doing the push? a. b. c. d. The customer Cycle time Company management The takt time 16. Calculate the takt time as per the system data provided? Demand 30 units / hr STEP I STEP II STEP III 20 units/hr 40 units/hr 12 units/hr a. b. c. d. STEP IV STEP V 16 units/hr 20 units/hr CUSTOMER 5 minutes 1. 8 minutes 3 minutes 2 minutes 17. ABC manufacturing company has just hired a new manger as a champion to implement lean initiatives. The champion’s first task is: a. b. c. d. Review the lean program with senior management Define the current state map Develop an implement program Talk to everyone about their personal needs 18. What is the equipment availability is there are 7.5 hours available per shift, 30 minutes of setup time, 15 minutes of planned downtime and 15 minutes of unscheduled equipment failure? a. b. c. d. 87% 93% 90% 85% 129 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 19. The Shingo prize business model does NOT consider: a. b. c. d. The strategic planning process Benchmarking Innovation Community support 20. Which of the following is non-value added activity? a. b. c. d. Design reviews Vendor assessments Inventory reductions Receiving inspection to ensure incoming quality 21. A value stream map does NOT normally provide data on: a. b. c. d. Changeover time Cycle time Work in process inventory Finished goods inventory 22. Identify the lean thinking statement that is NOT true? a. Lean concepts include value, value stream, flow, pull and perfection b. Lean spans product development, production, purchasing and customer support c. Lean streamlines processes for better output d. Lean thinking often means reduction of people 23. Which of the following is NOT considered muda? a. b. c. d. Design reviews Uneven scheduling of work Reshaping a die after installation Breakdowns in machinery 24. Which of the following is NOT considered Muda? a. b. c. d. Rework due poor molding Performing design validation In-process inspection by a inspector Re-tooling because of engineering changes 130 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 25. Identify the business element that NOT might reduce cycle time? a. b. c. d. Utilizing problem solving tools Implementing 5S Practicing SMED Supervising people 26. What forms of transportation and storage are considered muda? I. II. III. IV. a. b. c. d. Conveyer belts Hand trucks Fork trucks Pallets and bins II and III only I and III only I and IV only I, II, III and IV 27. Which two of the following approaches are appropriate for gradual improvements? I. II. III. IV. a. b. c. d. Standard work Poka-yoke Taguchi loss function Six Sigma efforts I and II only I and III only II and III only III and IV only 28. According to Womack, the most important lean principle is: a. b. c. d. Pursue quality Make value flow Pursue cost reduction Satisfy customers 29. What is required for SMED? a. All internal and external setup steps must be reviewed in detail b. Outside specialists with knowledge on dies must be consulted 131 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA c. Outstanding personnel communications between P. REYES / JUNIO 2004 operators and setup d. Process mapping of improvement steps 30. Lean manufacturing would be most concerned with: I. II. III. IV. a. b. c. d. Reducing waste Reducing people Reducing management layers Eliminating bottlenecks in a process I and IV only I, II, III and IV I, II and IV only I and III only 31. Identify the most difficult limitation in achieving continuous flow. a. b. c. d. Untrained employees Existing equipment Employee culture Middle management involvement 32. Which of the following characterize the Muda of waiting? I. II. III. IV. a. b. c. d. Idle operators Machinery breakdown Uneven schedules Unnecessary meetings I and II only II, III and IV only I, II, III and IV I, III and IV only 33. Which of the following is NOT a TOC principle? a. Maximizing throughput b. The system optimization is the sum of the optimum individual process steps c. System thinking is essential managing change and solving problems d. Continuous improvement is required 132 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 34. In a production factory, utilizing the pull system, which of the following may NOT be achieved? a. b. c. d. Reduced raw material inventory Reduced in-process inventory Increased prices Reduced finished good inventory 35. Which of the following is NOT a critical element in cycle time reduction? a. b. c. d. JIT training Middle management commitment Motion studies Kaizen 36. One would say that continuous flow manufacturing: I. II. III. IV. a. b. c. d. Increases product damage Requires less storage and transport Reduces cycle time Provides mechanisms to solve other production problems I and II only I and III only II and IV only II, III and IV only 133 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 10. Design for Six Sigma 1. In the new product process, the “fuzzy front end” refers to: I. II. III. IV. a. b. c. d. Idea generation Sorting of ideas Study concepts Feasibility checkouts I and II only II and III only I and III only I, II, III and IV 2. In the roof of the house of quality, an analysis is performed on the relationships of engineering characteristics. Conflicts in optimization can be identified. This is similar to which other DFSS technique? a. b. c. d. Pugh method FMEA Axiomatic design TRIZ 3. The person or team responsible for the new product from initial concept to final launch is called: a. b. c. d. The team Project manager General manager The designer 4. New products will account for a large percentage of company sales. The typical ratio of a new product ideas to successful products is in the range of: a. b. c. d. 1:1 7:1 20:1 50:1 134 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 5. In Taguchi Methods, a factor that results in a response variable and can be equated to an independent variable is called a: a. b. c. d. Control Factor Signal factor Noise factor Dependent variable 6. The stage gate process is used by many companies to screen and pass projects. Many companies may fail to use the process properly. A common problem in the stage gate process that could negate its benefits would be: a. b. c. d. Failure to kill a project Too many kills in the system Teams are overloaded with projects Requirements are not established 7. When calculating tolerances, the following average loss function equation is used in what situation? A0 20 L( y ) 2 y a. b. c. d. Smaller-is-better Nominal-is-best Larger-is-better 6 Sigma-is-better 8. In the design of many parts and products, it is best if the deviation from the target not exceed a certain amount. The best tolerance objective is termed: a. b. c. d. Nominal-is-best Larger-is-better Smaller-is-better 6 Sigma-is-better 135 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 9. Six Sigma design uses the following sequence in the creation of new products: I. II. III. IV. V. a. b. c. d. Define Verify Design Analyze Measure II, I, V, IV and III I, V, II, IV and III I, V, IV, III and II I, V, IV and III only 10. Robust design methods can be used in product design. The various factors to consider in robust design include all the following EXCEPT: a. b. c. d. Tolerance parameter factor Noise factors Signal factors Control factors 11. Taguchi’s function describes the financial loss to society that will occur upon a deviation of a quality characteristics from its target value. Identify the loss function equation statement that is NOT true: L( y) k ( y m) 2 a. b. c. d. L(y) is the financial loss to society k is the derived constant y is the tolerance m is the target value 12. In robust design, the functional limits or tolerances of a device are set: a. b. c. d. by experimentation and testing by using a safety factor of 4 By using engineering experience By using 6 sigma limits 13. A product is functionally robust if it meets these requirements: I. Input factors are within tolerance limits 136 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA II. III. IV. a. b. c. d. P. REYES / JUNIO 2004 Can withstand variation in input conditions Can achieve performance requirements Can have limited input variation I only II and III only I and III only I, II, III and IV 14. DFM ( or design for manufacturability ) attempts to accomplish all of the following objectives, EXCEPT for: a. b. c. d. Testability Environmental control Producibility Reduced number of manufacturing operations 15. Ishikawa developed a tree diagram ( a map called a “ quality table” ) to translate customer desires into design requirements. Therefore, the characteristics of good quality could be passed on to the product development function. This map is commonly referred to as: a. b. c. d. Failure mode and effects analysis Quality function deployment Advanced quality planning Cause and effect diagramming 16. In robust design technology, which of the following factors would NOT be considered a noise factor? a. b. c. d. Ambient temperature Carbon content in cast iron Weather conditions Sun spots 17. In robust design, a factor that can cause unknown variability, or an error in the response factor is considered a: a. b. c. d. Signal factor Control factor Noise factor Response factor 137 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA P. REYES / JUNIO 2004 18. Taguchi has a set of equations for signal-to-noise calculations. The signal-to-noise equation below represents yi2 S log 1010 N n a. b. c. d. Larger-is-better Nominal-is-best Normal ser Smaller-is-better 19. In the design of a product, Design for X ( DFX ) can be described as: a. b. c. d. Design for anything A very effective method for manufacturability of parts A new technique encompassing Six Sigma A knowledge-based design approach 20. In axiomatic design, the coupling of functional requirements creates which of the following problems? a. b. c. d. There will be more information generated The design will not handle the linkages in proper order A resolution of the conflicts from the additional requirements The optimization of one function may affect the others 21. The product development process should consist of: a. b. c. d. An individual product developer A relay team of function to function specialist Internal quality teams Multi-functional teams 22. TRIZ is a methodology for problem solving and is quite useful in the design phase of a product. Which of the following methods are employed in TRIZ? I. II. III. IV. Trial and error Reference to a trick Use of physical effects (physics) Combination of tricks and physics 138 UIA – MIC EXAMEN DE CONOCIMIENTOS GENERALES SEIS SIGMA a. b. c. d. P. REYES / JUNIO 2004 I and II only II and III only I, II and III only II, III and IV only 23. In axiomatic design theory, there are 4 domains: customer, functional physical and process. The mapping of information for each domain makes axiomatic design somewhat similar to the QFD. That is, the previous domain represents a “what” type of attribute. The receiving domain represents another type of attribute, described as: a. b. c. d. Where Why When How 24. Quality Function Deployment, also known as the House of Quality, is used in the design process. It has various benefits, the most critical being: a. b. c. d. People are aligned and think together Designers have access to the right technical specs Customers put their wants down on paper Competitive analysis is developed objectively 139