class Variance extends AbstractStorelessUnivariateStatistic implements Serializable, WeightedEvaluation {

    @Override
    public double evaluate(final double[] values) throws MathIllegalArgumentException {
        if (values == null) {
            throw new NullArgumentException(LocalizedFormats.INPUT_ARRAY);
        }
        return evaluate(values, 0, values.length);
    }

    public  Variance();
    public  Variance(final SecondMoment m2);
    public  Variance(boolean isBiasCorrected);
    public  Variance(boolean isBiasCorrected, SecondMoment m2);
    public  Variance(Variance original);

}