What would be the appropriate sampling distribution for testing whether a sample of 450 Canadian households differs from the mean income of all Canadian households, where the population standard deviation is unknown?
A) t distribution
B) Z distribution
C) alpha distribution
D) null distribution

Question

Quizplus · Accepted Answer

When the population standard deviation is unknown and the sample size is large (n > 30), the t distribution is used for hypothesis testing.

What Would Be the Appropriate Sampling Distribution for Testing Whether