A sample is selected from a population with a mean of 40 and a standard deviation of 8 a If the sample has n 4 scores, what is the expected value of and the standard error of M b If the sample has n 16 scores, what is the expected value of and the standard error of M ...

A sample is selected from a population with a mean of = 40 and a standard

Question:

A sample is selected from a population with a mean of µ = 40 and a standard deviation of σ = 8.
a. If the sample has n = 4 scores, what is the expected value of µ and the standard error of M?
b. If the sample has n = 16 scores, what is the expected value of µ and the standard error of M?