Question: A random sample is selected from a population with a standard deviation of = 18. a. On average, how much difference should there be

A random sample is selected from a population with a standard deviation of σ = 18.

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

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

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

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