# Difference between revisions of "SampleSD Command"

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##### SampleSD

This article is about GeoGebra command.

##### Command Categories (All commands)

SampleSD( <List of Numbers> )
Returns sample standard deviation of given list of numbers.
Example:
SampleSD[{1, 2, 3}] yields 1.

SampleSD( <List of Numbers>, <List of Frequencies> )
Returns the standard deviation of the sample of numbers having the given frequencies.
Example:
SampleSD[{1, 2, 3, 4, 4},{1, 1, 1, 2}] yields 1.08.

Hint: If the list contains undefined variables in the CAS View, the command yields a formula for the sample standard deviation.
Example:
SampleSD[{1, 2, a}] yields \frac{\sqrt{a²-3a+3}}{\sqrt{3}}.
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