Question: Population c. Why are the mean and variance so different from the mathematical expectations? Consider the following data on immigration into four populations over 20

Population c. Why are the mean and variance so different from the mathematical expectations?
Consider the following data on immigration into four populations over 20 yr. For each, find the sample mean and the sample standard deviation. Compare them with the mathematical mean and standard deviation found in the earlier problem.
For Information: (see Section 7.8, Exercise 35)

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