# Question: The mean of a population of raw scores is 18

The mean of a population of raw scores is 18 (σx = 12).

(a) Using the z-table, what is the relative frequency of sample means above 24 when N = 30?

(b) What is the probability of randomly selecting a sample of 30 participants whose scores produce a mean above 24?

(a) Using the z-table, what is the relative frequency of sample means above 24 when N = 30?

(b) What is the probability of randomly selecting a sample of 30 participants whose scores produce a mean above 24?

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