The pooled proportion estimate is used when:
A)the proportion of successes from sample 1 equals the proportion of successes from sample 2.
B)the total number of successes in both samples divided by the total of both sample sizes equals 1.
C)the null hypothesis states that the two population proportions differ by some non-zero number.
D)None of these choices.

Question

Quizplus · Accepted Answer

The pooled proportion estimate is used under the assumption that the two population proportions are equal under the null hypothesis, which is not explicitly stated in any of the given choices. Choices A, B, and C do not accurately describe the conditions for using a pooled proportion estimate.

The Pooled Proportion Estimate Is Used When