What are the expected value and the standard deviation

Reference no: EM131371892

In given problem, suppose the population mean is µ = 125 and the population standard deviation is 20. What are the expected value and the standard deviation of X‾?

Problem
A sample of size n = 5 is selected from a population. Under what conditions is the sampling distribution of X‾ normal?

Reference no: EM131371892

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