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TEST 3 REVIEW Chapter 9 Chapter 10 VOCABULARY & CONCEPTS Confidence Interval Point Estimate Critical value Margin of Error Hypothesis Test Null Hypothesis Alternative Hypothesis Type I & II Errors Significance Classical (Critical Value) Test Method P-Value Test Method Determining the Conclusion about the Null Hypothesis CHAPTER 9 SECTION 9.1 KNOW HOW TO MYMATHLAB PROBLEMS Confidence Interval Concepts 1, 2, 3 Find the Critical Value Z for a Proportion 4, 5 2 9.2 Find the Point Estimate p & Margin of Error for a Proportion from a Confidence Interval Find a Confidence Interval for a Proportion Interpret the Results for Confidence Intervals Find the Sample Size n required to achieve a given Margin of Error. Find and Understand the Critical Value t 6, 7 8, 9, 10, 12, 13 11, 12, 13 14, 15 1 2 for a Mean with an unknown Population Standard Deviation 2, 3 Find the Point Estimate x and Margin of Error E from a Confidence Interval Find the Confidence Interval for a Mean with 4, 5, 8, 9, 10 an unknown Population Standard Deviation Interpret the Results for Confidence Intervals 6, 7, 8, 10 9.3 Confidence Interval Concepts for Standard Deviation Find Critical Values L2 , R2 for Standard Deviation or Variance Find the Confidence Intervals for a Standard Deviation or Variance 1, 4, 5 2, 3 4, 5, 6, 7 CHAPTER 10 SECTION 10.1 10.2 10.3 10.4 KNOW HOW TO Concepts concerning Error Types Concepts concerning Null & Alternative Hypothesis Concepts Concerning Conclusions Concepts and Requirements for Hypothesis Testing One Sample Proportion Populations Find the Critical Value & Type of Test for Testing One Sample Proportion Populations Use Classical (Critical Value) Method and PValue Method to test a Null Hypothesis for Testing One Sample Proportion Populations Perform full Hypothesis Tests for Testing One Sample Proportion Populations Find the Critical Value & Type of Test for Testing One Sample Mean with unknown Population Standard Deviation Use Classical (Critical Value) Method and PValue Method to test a Null Hypothesis for Testing One Sample Mean with unknown Population Standard Deviation Perform full Hypothesis Tests for Testing One Sample Mean with unknown Population Standard Deviation Find the Critical Value & Type of Test for Testing One Sample Standard Deviation Use Classical (Critical Value) Method and PValue Method to test a Null Hypothesis for Testing One Sample Standard Deviation Perform full Hypothesis Tests for Testing One Sample Standard Deviation MYMATHLAB PROBLEMS 1, 2, 7, 12, 15 4, 5, 6, 7, 12, 13, 14 3, 8, 9, 10, 11, 12, 14 1, 2, 7 3 4, 5, 6 8, 9, 10, 11, 12 1 2, 3, 4, 5 6, 7, 8, 9, 10 1 2, 3, 4, 5 6, 7, 8 FORMULAS FOR EXAM 3 CHAPTER 9: Sample Size Estimate for Proportions: Z n 0.25 2 E 2 p known or Z n 0.25 2 E Confidence Interval for : p Z Confidence Interval for p: Confidence Interval for x t * s n 2 : 2 p*q n 1-PropZInt Upper Bound = n 1 s 2 2 2 n 1 s 2 12 CHAPTER 10: Test Statistics: Means: Proportions: x x x s x n x x x t s x n t Std. Dev./Variance 2 n 1 s 2 2 otherwise T-Interval Lower Bound = 2 2 T-Test 1-PropZTest 2