stats_standard_deviation
(PECL stats >= 1.0.0)
stats_standard_deviation — Returns the standard deviation
Description
   float stats_standard_deviation
    ( array $a
   [, bool $sample = false
  ] )
  Warning
 This function is currently not documented; only its argument list is available.
Parameters
- a
- 
      
- sample
- 
      
Return Values