What is the difference between population and sample standard deviation?

Descriptive Statistics Calculator

Get a full statistical summary of any list of numbers.

Data set (comma, space or new line separated)

Count

Sum

108

Mean

Median

15.5

Mode

—

Range

Variance (pop)

151.6667

Std dev (pop)

12.3153

Std dev (sample)

13.4907

Frequently asked questions

Population std dev divides by n; sample std dev divides by n−1 and is used when your data is a sample of a larger population.

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