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.

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} Test at the 5% significance level to determine whether we can infer that the two population means differ.

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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} Test at the 5% significance level to determine whether we can infer that the two population means differ.