To use the z test, _________.
A) µ and s must be specified
B) the sampling distribution of should be normal
C) the population of raw scores must be normally distributed
D) and s must be specified and the sampling distribution of should be normal

Question

To use the z test, _________.
A) µ and s must be specified 
B) the sampling distribution of should be normal 
C) the population of raw scores must be normally distributed 
D) and s must be specified and the sampling distribution of should be normal

Quizplus · Accepted Answer

The z test requires both the value of s and the assumption that the sampling distribution of the mean is normal. It does not require the population of raw scores to be normally distributed.

To Use the Z Test, _________