Essay
Aptitude Test Scores
Two random samples of 40 students were drawn independently from two populations of students.Assume their aptitude tests are normally distributed (total points = 100).The following statistics regarding their scores in an aptitude test were obtained: .
-{Aptitude Test Scores Narrative} Test at the 5% significance level to determine whether we can infer that the two population means differ.
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, Rejection region: | t | > t0.025,75 = 1.99 Te...View Answer
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