Question: A population forms a normal distribution with a mean of = 55 and a standard deviation of = 12. For each of the

A population forms a normal distribution with a mean of μ = 55 and a standard deviation of σ = 12.

For each of the following samples, compute the z-score for the sample mean.

a. M = 58 for n = 4 scores

b. M = 58 for n = 16 scores

c. M = 58 for n = 36 scores

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