MAT 222 Midterm: MAT222-2009Fall
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2, (10 points: (10 points, (20 points, (20 points, (20 points) Total: some researchers performed a hypothesis test of the claim that the mean sat-m score of. California high school seniors was more than 490. Tests for such products often include a "treatment group" of people who use the drug and a "control group" of people who don"t use the drug. The systolic blood pressure is measured for each subject, and the sample statistics are given below. H a : pt > p2 where p1 is the population proportion of prepared students and pz is the population proportion of unprepared students. The health, aging, and body composition study is a 10-year study of older adults. A research project based on this study examined the relationship between pet ownership status and gender: The summary of results of the test is listed in minitab printout below: S = 42. 4079 r-sq = 88. 6% r-sq(adi) = 87. 9o/o.
