Question: A population forms a normal distribution with a mean of 80 and a SD of 15. For each of the following samples compute the z

A population forms a normal distribution with a mean of 80 and a SD of 15. For each of the following samples compute the z score for the sample mean.

M=84 for n=9 scores. Z= ?

M=84 for n=100 scores. Z=?

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