ChiSquareCI[var, df] gives a confidence interval based on a \[Chi]^2 distribution with df degrees of freedom.

FRatioCI[ratio, n, m] gives a confidence interval based on an F-ratio distribution with n and m degrees of freedom.

VarianceCI[list] gives a confidence interval for the population variance estimated from list.

VarianceRatioCI[list_1, list_2] gives a confidence interval for the ratio of the population variances estimated from list_1 and from list_2.

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