Samples of size n = 9 are selected from a population with μ = 80 with σ = 18.What is the expected value of M,the mean of the distribution of sample means?
A)6
B)18
C)80/3
D)80

Question

Samples of size n = 9 are selected from a population with μ = 80 with σ = 18.What is the expected value of M,the mean of the distribution of sample means?​
A)​6
B)​18
C)​80/3
D)​80

Quizplus · Accepted Answer

The expected value of the distribution of sample means is equal to the population mean, which is 80 in this case. Therefore, the correct answer is D) 80.

Samples of Size N = 9 Are Selected from a Population