Which of the following test statistics may be used to test a value of the population proportion?
A) Z test or a t test
B) t test
C) Z test
D) None of these choices are correct

Question

Quizplus · Accepted Answer

A Z test is commonly used to test a value of the population proportion because the sampling distribution of the proportion follows a normal distribution when the sample size is large. A t test is not used because it assumes a normally distributed population, which is not the case for a proportion.

Which of the Following Test Statistics May Be Used to Test