The t test for the mean difference between two related populations assumes that the
A) population sizes are equal.
B) sample variances are equal.
C) population of differences is approximately normal or sample sizes are large enough.
D) all of the above

Question

Quizplus · Accepted Answer

The t test for the mean difference between two related populations assumes that the population of differences is approximately normal or sample sizes are large enough. The assumption of equal population sizes and variances is not necessary for this test. Therefore, choice A and B are not the best choices.

The T Test for the Mean Difference Between Two Related