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QUESTION
The average of a population is the mean, or population mean, often denoted , and is fixed, not random, and is often unknown.
The average of a population is the mean, or population mean, often denoted , and is fixed, not random, and is often unknown. Similarly, the median of a population is the median, or population median, often denoted , and is fixed, not random, and is often unknown. ~ Example: Explain how to estimate the average income, , in Virginia.
