Question: For a population with a mean of = 70 and a standard deviation of = 20, how much error, on average, would you

For a population with a mean of µ = 70 and a standard deviation of σ = 20, how much error, on average, would you expect between the sample mean (M) and the population mean for each of the following sample sizes?
a. n = 4 scores
b. n = 16 scores
c. n = 25 scores

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