stats_variance
stats_variance
(PECL stats >= 1.0.0)
stats_variance — Returns the population variance
Description
float stats_variance ( array $a [, bool $sample = false ] )
Warning
This function is currently not documented; only its argument list is available.
Parameters
-
a
-
sample
Return Values
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https://secure.php.net/manual/en/function.stats-variance.php