Stat final Study Guide

Stat final Study Guide - 3. The dichotomous population...

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3. The dichotomous population consists of all college students, with the two categories being those who would answer YES to the question “Is CSI your favorite TV show?” and those who would answer NO. Let p be the proportion of college students who would answer YES. H0: p = 0.45 vs. Ha: p < 0.45. 4. The dichotomous population consists of all automobile fatalities in the state of CT, with the two categories being the ones that ARE alcohol related and those that ARE NOT. Let p be the proportion of automobile fatalities that are alcohol related. H0: p = 0.41 vs. Ha: p > 0.41. The Paired Difference Experiment Population 1 – All students who take the LSAT without any prep course Population 2 – All students who take the LSAT after taking this prep course Variable – LSAT score μ1 – Average LSAT score in Population 1 μ2 – Average LSAT score in Population 2 Is μ1 < μ2? Two methods of collecting pertinent data: (1) Obtain a random sample from Population 1 and independently obtain another random sample from Population 2. (2) A random sample of law school aspirants is selected. They are given the LSAT and their
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scores are recorded. They then take the prep course, following which they are given the LSAT again and their scores on the retake are recorded. The two sets of scores are dependent . Comparison of two population means
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Stat final Study Guide - 3. The dichotomous population...

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