Which statement is NOT an assumption of the z test?
A) The distribution of the population is approximately normal.
B) The distribution of the sample is normal.
C) Participants were randomly selected from the population.
D) The dependent variable is assessed using a scale measure.

Question

Quizplus · Accepted Answer

The z test assumes the distribution of the population is approximately normal, not necessarily the sample. The Central Limit Theorem suggests that the sampling distribution of the sample mean will be approximately normal if the sample size is large enough, regardless of the shape of the population distribution.

Which Statement Is NOT an Assumption of the Z Test