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 sample proportions follows a normal distribution. A t-test is not appropriate for testing a population proportion unless the sample size is very small or the population standard deviation is not known.

Which of the Following Test Statistics May Be Used to Test