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Sample Statistic and Population Parameter Symbols

Sample Statistic and Population Parameter Symbols

Author: Katherine Williams

Identify a symbol as either a sample statistic or a population parameter.

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Terms to Know
Population Mean

A mean for all values in the population. Denoted as mu.

Population Parameters

Summary values for the population. These are often unknown.

Sample Mean

A mean obtained from a sample of a given size.  Denoted as top enclose x.

Sample Statistics

Summary values obtained from a sample.