A random sample is obtained from a population with a mean of μ =50 and a standard deviation of &


Question: A random sample is obtained from a population with a mean of \(\mu \) =50 and a standard deviation of \(\sigma \) = 12.

a. 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?

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?

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