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} Estimate with 95% confidence the difference between the two population means.

Question

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} Estimate with 95% confidence the difference between the two population means.

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The Answer of 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} Estimate with 95% confidence the difference between the two population means.

Aptitude Test Scores Two Random Samples of 40 Students Were