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What is the standard error of a sampling distribution

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A random sample of n = 4 scores is selected from a population with mean (mu) = 80 and population standard deviation (sigma) = 20. On average, how much difference would you expect between the sample mean and the population mean? (i.e., What is the standard error of a sampling distribution composed of means taken from samples of size 4?)

Reference no: EM132474148

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