When all samples are drawn from a single population, the mean of the distribution of differences should approximate
A) zero
B) +1.0
C) -1.0
D) the mean of the distribution of means

Question

Quizplus · Accepted Answer

If all samples are drawn from a single population, then the mean of the distribution of differences should be around zero because the difference between any two samples should be close to zero as they are from the same population. Therefore, choice A is the best option.

When All Samples Are Drawn from a Single Population, the Mean