Question: A random sample is obtained from a population with a mean of μ = 50 and a standard deviation of σ= 12.

a) for a sample of n= 4 scores, would a sample mean M= 55 be considered an extreme value or is it a fairly typical sample mean?

b) For a sample of n = 36 scores, would a sample mean of M=55 be considered an extreme value or is it a fairly typical sample mean