The expected value of equals the mean of the population from which the sample is drawn
A)only if the sample size is 30 or greater
B)only if the sample size is 50 or greater
C)only if the sample size is 100 or greater
D)for any sample size

Question

The expected value of  equals the mean of the population from which the sample is drawn
A)only if the sample size is 30 or greater 
B)only if the sample size is 50 or greater 
C)only if the sample size is 100 or greater 
D)for any sample size

Quizplus · Accepted Answer

The expected value of a sample is always equal to the mean of the population from which the sample is drawn, regardless of the sample size. Therefore, option D is the correct choice.

The Expected Value of Equals the Mean of the Population