Suppose that the mean of the sampling distribution for the difference in two sample proportions is 0. This tells us that
A) The two sample proportions are both 0.
B) The two sample proportions are equal to each other.
C) The two population proportions are both 0.
D) The two population proportions are equal to each other.

Question

Quizplus · Accepted Answer

The mean of the sampling distribution for the difference in two sample proportions being 0 indicates that, on average, there is no difference between the two population proportions from which the samples are drawn. This suggests that the two population proportions are equal to each other.

Suppose That the Mean of the Sampling Distribution for the Difference