Aptitude Test Scores

question 71

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

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Definitions:

Cognitive Dissonance

The psychological discomfort experienced by an individual when holding two or more contradictory beliefs, ideas, or values at the same time.

Beliefs

Convictions or acceptances that something exists or is true, especially without proof.

Behaviors

The actions, reactions, or conduct of an individual, group, or system, often analyzed in psychological or sociological contexts.

Cooperation

The action or process of working together to the same end, often by sharing knowledge or tasks.