MathPHP\Statistics\DescriptiveTest::dataProviderForStandardDeviationUsingSampleVariance PHP Метод

    public function dataProviderForStandardDeviationUsingSampleVariance()
    {
        return [[[3, 21, 98, 203, 17, 9], 78.86633999999999], [[170, 300, 430, 470, 600], 164.7118696390761], [[1550, 1700, 900, 850, 1000, 950], 367.99], [[1245, 1255, 1654, 1547, 1787, 1989, 1878, 2011, 2145, 2545, 2656], 459.13]];
    }