stats_stat_powersum
Trader
Statistic Functions
PHP Manual

# 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

stats_stat_powersum
Trader
Statistic Functions
PHP Manual