MathPHP\Statistics\AverageTest::dataProviderForLehmerMean PHP Метод

    public function dataProviderForLehmerMean()
    {
        return [[[3, 6, 2, 9, 1, 7, 2], -2, 1.29], [[3, 6, 2, 9, 1, 7, 2], -1, 1.647], [[3, 6, 2, 9, 1, 7, 2], -0.5, 1.997], [[3, 6, 2, 9, 1, 7, 2], 0.5, 3.322], [[3, 6, 2, 9, 1, 7, 2], 1, 4.286], [[3, 6, 2, 9, 1, 7, 2], 2, 6.133], [[3, 6, 2, 9, 1, 7, 2], 3, 7.239]];
    }