A professor compares final exam scores in his psychology class to final exam grades in another comparable professor's class.Assuming that the population variance of exam scores is unknown,what type of t test is appropriate for analyzing differences between these classes?
A) one-sample t test
B) two-independent-sample t test
C) There is not enough information to answer this question.

Question

Quizplus · Accepted Answer

A two-independent-sample t test is appropriate for comparing the final exam scores between two different classes taught by different professors.

A Professor Compares Final Exam Scores in His Psychology Class