All possible samples of size n are selected from a population and the mean of each sample is determined. What is the mean of the sample means?
A) Exactly the same as the population mean
B) Larger than the population mean
C) Smaller than the population mean
D) Cannot be estimated in advance
E) None of the choices are correct

Question

Quizplus · Accepted Answer

The mean of the sample means, also known as the expected value of the sample mean, is equal to the population mean according to the Central Limit Theorem.

All Possible Samples of Size N Are Selected from a Population