Which number describes or summarizes the population as a whole?

Question: Which number describes or summarizes the population as a whole?

When we collect data from a sample of individuals, we often want to use that data to make inferences about the larger population from which the sample was drawn. To do that, we need to use a statistic that can represent or summarize the population as a whole. This statistic is called a parameter, and it is usually denoted by a Greek letter. For example, the population mean is denoted by μ, and the population proportion is denoted by π. A parameter is a fixed but unknown value that describes some characteristic of the population.

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