
Gets the probability for one variance from the selected Covariance object being different from a hypothesized variance.
The test statistic
χ^{2} = (N1)s^{2} / σ^{2}, 
is distributed as a chisquared variate with ndf = N1 degrees of freedom.
The returned probability p will be
p = chiSquareQ (χ^{2}, ndf) 
© djmw, January 2, 2016