The t test for the mean difference between 2 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 2 related populations assumes that the population of differences is approximately normal, or sample sizes are large enough. It does not assume that population sizes are equal or that sample variances are equal. Therefore, option C is the best choice.

The T Test for the Mean Difference Between 2 Related