A Population Has a Mean of µ = 80 with

Short Answer

A population has a mean of µ = 80 with ? = 20.
A)If a single score is randomly selected from this population, how much distance, on average, should you find between the score and the population mean?
B)If a sample of n = 4 scores is randomly selected from this population, how much distance, on average, should you find between the sample mean and the population mean?
C)If a sample of n = 100 scores is randomly selected from this population, how much distance, on average, should you find between the sample mean and the population mean?