6. Assumptions used in large samples are …………….. a). Sampling distribution of test statistic is normal. b) Sample observations are independent and variable is continuous c) Sample observations are dependent and variable is simple. d) Sample observations are independent and variable is simple. CII Institute of Logistics PGDSCM/DSCM/ADSCM & CERTIFICATE PROGRAMS Semester-end Examinations- December 2011 RESEARCH METHODOLOGY Time: 3 hours Marks: 100 Part A Answer all questions (10 x 1 = 10 Marks) 7. Judgement Sampling is an example of: a) Simple Random Sampling b) Systematic Sampling c) Probability Sampling d) Non-Probability Sampling 1. The following are the different types of research a) Pure Research and Applied Research b) Good Research and bad Research c) Primary Research and Secondary Research d) Applied Research and Action Research 8. Processing of data includes …….. a) Collection and analysis of data b) Editing, coding, classification and tabulation. c) Collecting and editing of data d) Analysis of data 2. Criteria for determining good measurement: a) one-dimensional and two-dimensional b) Simple, Reliability and Accuracy c) Simple, Reliability and less expensive d)Linear and Non-linear 9. The lay-out of the report consists of ……. a) Primary parts and secondary parts b) Preliminary, Introduction and conclusion c) The Preliminary, The main text and The end matters d) Introduction and conclusion 3. Various absolute measures of Dispersion are ……… a) Arithmetic mean, Median and Standard deviation b) Mean Deviation, Standard deviation and Co-efficient of Range c) Range, Mean Deviation, Quartile Deviation and Standard deviation d) Mean, Median, Geometric mean and Mode. 10. The purpose of review of literature….. a) It provides a background knowledge of the research topic b) It reduces the time and cost of the research c) It helps to collect data d) All of the above Part B Answer any four (4x15= 60 marks) 4. Type-II error means: a) Accepting Null Hypothesis when it is False b) Accepting Null Hypothesis when it is True c) Rejecting Null Hypothesis when it is False d) Rejecting Null Hypothesis when it is True 5. Degree of freedom (DOF) of a distribution is ……. a) Number of observations that are independent of each other b) Number of observations that are dependent of each other c) Number of observations that are dependent and independent of each other d) None of the above 1. 2. 3. 4. 5. Explain nature, scope and limitations of research? Discuss any five methods of data collection Discuss the meaning of Scaling Technique. Distinguish between rating scale and attitude scale? Shorts notes on: a. Content Analysis b. Non-parametric test c. Factor Analysis What is a Research Design? Also explain important features of a Research Design. 6. What do you mean by hypothesis? Examine the characteristics of a good hypothesis. Part C Answer any two: (2*15=30 marks) 1. The following data relating to the yield of 4 varieties of wheat each sown on 5 plots. Find whether there is a significant difference between the mean yield of these varieties.. Varieties Plot No. A B C D 1 99 103 109 104 2 101 102 103 100 3 103 100 107 103 4 99 105 97 107 5 98 95 99 106 Carry out an analysis of variance and state your conclusions. (Note: Table value of F at 5% level of significance for (3,16) dof = 3.24) 2. A hospital has treated of 500 patients suffering from a disease. Find whether the new treatment is superior to the conventional treatment: No. of patients Favourable Not favourable New 280 60 Conventional 120 40 Use chi-square test. (Note: Table value at 5% Level of significance at one degree of freedom is 3.841 Table value at 5% Level of significance at two degree of freedom is 5.99 Table value at 5% Level of significance at three degree of freedom is 7.815) 3. “A research report reveals the research findings to the common public. A good research report is normally prepared keeping some precautions in view” With reference to the above statement, discuss a) What is a Research Report? b) What are the precautions to be followed while writing research report? **********************************