### Expected Value. z-scores and other statistics concepts

1. For a sample selected from a population with a mean of µ=50 and a standard deviation of σ = 10: a. What is the expected value of M and the standard error of M for a sample of n=4 scores? b. What is the expected value of M and the standard error of M for a sample of n = 25 scores? 2. A population has a mean of µ