MathPHP\Statistics\Descriptive::IQR PHP Method

IQR - Interquartile range (midspread, middle fifty) Convenience wrapper function for interquartileRange.

public static IQR ( array $numbers, string $method = 'exclusive' ) : number
$numbers	array
$method	string	What quartile method to use (optional - default: exclusive)
return	number

    public static function IQR(array $numbers, string $method = 'exclusive')
    {
        return self::quartiles($numbers, $method)['IQR'];
    }

Descriptive