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Latest Version [8.00202205221] Last Updated [May-22-2022]

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PHP Manual [stats_variance]

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PHP Manual || Statistic Functions

(PECL stats >= 1.0.0)

stats_varianceReturns the variance

Description

stats_variance ( array $a [, bool $sample = FALSE ] ) : float

Returns the variance of the values in a.

Parameters

a

The array of data to find the standard deviation for. Note that all values of the array will be cast to float.

sample

Indicates if a represents a sample of the population; defaults to FALSE.

Return Values

Returns the variance on success; FALSE on failure.



PHP Manual || Statistic Functions