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What is the expected value of m

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A sample is selected from a population with a mean of u- 80 and a standard deviation of o - 20.

a. What is the expected value of M and the standard error of M for a sample of n = 4 scores?

b. What is the expected value of M and the standard error of M for a sample of n = 16 scores?

Reference no: EM132907324

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