The t-test for the difference between the means of two independent populations assumes that the respective:
A)sample sizes are equal.
B)populations are normal.
C)means are equal.
D)All of these choices are true.

Question

Quizplus · Accepted Answer

The t-test for the difference between the means of two independent populations assumes that the populations being compared are normal. The assumption of equal sample sizes is not necessary for the t-test, but it can affect the power of the test. The assumption of equal means is what the t-test aims to test.

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