Question

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?

Answer 1

two-independent sample t test

Step-by-step explanation:

The Independent Samples t-Test contrasts the mean of two different independent groups to describe if there is any statistical proof or evidence of the associated means of population are notably different. This is referred to as one of the parametric test and Independent Two-sample t-Test.

The type of t-test which is appropriate for analyzing differences between these classes in the question above is a two-independent sample t-test.