Gets the probability for one variance from the selected Covariance object being different from a hypothesized variance.
The test statistic
|χ2 = (N-1)s2 / σ2,|
is distributed as a chi-squared variate with ndf = N-1 degrees of freedom.
The returned probability p will be
|p = chiSquareQ (χ2, ndf)|
© djmw, January 2, 2016