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.
Correct Answer:
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, Rejection region: | t | > t 0.025,78 = 1.99 ...View Answer
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Correct Answer:
Verified
, Rejection region: | t | > t 0.025,78 = 1.99 ...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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