A random sample is selected from a population with a standard deviation of s 5 18. a.

Question:

A random sample is selected from a population with a standard deviation of s 5 18.

a. On average, how much difference should there be between the sample mean and the population mean for a random sample of n 5 4 scores from this population?

b. On average, how much difference should there be for a sample of n 5 9 scores?

c. On average, how much difference should there be for a sample of n 5 36 scores?

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