SEARCH MATHEMATICA 8 DOCUMENTATION

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Hypothesis Testing Package Symbol

FRatioPValue

FRatioPValue[x, n, m]
gives the cumulative probability beyond x for the F-ratio distribution with n and m degrees of freedom.

To use FRatioPValue, you first need to load the Hypothesis Testing Package using Needs["HypothesisTesting`"].

The one-sided p-value is CDF[FRatioDistribution[n, m], x] if x is less than the median of the F-ratio distribution with n and m degrees of freedom, and 1-CDF[FRatioDistribution[n, m], x] otherwise.

whether to perform a two-sided test

Needs["HypothesisTesting`"]

The p-value for 10 in an F-ratio distribution with 2 and 5 degrees of freedom: