ECON 203 1st Edition Lecture 10Outline of Last LectureI. Difference in Means, Matched PairsII. Case 21. Answers2. In ExcelOutline of Current LectureI. Difference in Proportion Tests1. FactsII. Case 11. Hypothesis Testing 4 Step SolutionA. Identify HypothesisB. Calculate Test StatisticC. Critical/P-ValueD. DecisionIII. Case 21. Hypothesis Testing 4 Step SolutionA. Identify HypothesisB. Calculate Test StatisticC. Critical/P-ValueD. DecisionCurrent LectureI. Difference in Proportion Tests1. Facts- (p1 – p2)- Qualitative data- Usually listed as a proportion or percentage- Test statistic formula changes, but confidence interval is the same!II. Case 1These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.1. Hypothesis Testing 4 Step SolutionA. Identify HypothesisHo: p1 – p2 = 0Ha: p1 – p2 < 0B. Calculate Test StatisticZ = -4.999C. Critical/P-valueZ<-1.645D. Decision Reject Ho; Take aspirin daily!III. Case 21. Hypothesis Testing 4 Step SolutionA. Identify hypothesisHo: p1 = p2 ; p1 – p2 = 0Ha: p1 < p2 ; p1 – p2 < 0B. Calculate Test StatisticZ = -7.42C. Critical/P-valueZ.05 = 1.645D. Decision Reject Ho, girls are more likely to graduate from High School than
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