The t-test for the difference between the means of two independent populations assumes that the respective:
A) sample sizes are equal
B) sample variances are equal
C) populations are approximately normal
D) all of these
E) none of these

Question

Quizplus · Accepted Answer

The t-test for the difference between the means of two independent populations assumes that the populations from which the samples are drawn are approximately normally distributed. This assumption is crucial for the validity of the test results.

The T-Test for the Difference Between the Means of Two