Find extreme value or is it a fairly typical sample mean

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A random sample is obtained from a population with a mean of µ=50 and a standard deviation of σ=12. For a sample of n=4 scores, would a sample mean of M=55 be considered an extreme value or is it a fairly typical sample mean? For a sample of n=36 scores, would a sample mean of M=55 be considered an extreme value or is it is fairly typical sample mean?

Reference no: EM13143404

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