Which of the following is NOT required to determine the sample size for a test of two proportions?
A) power
B) significance level
C) proportion estimates
D) standard deviation

Question

Quizplus · Accepted Answer

To calculate the sample sizes needed to detect a difference between two proportions (of equal sample sizes), we need the type 1 error (a), power, and estimates of the proportions.

Which of the Following Is NOT Required to Determine the Sample