Dave's Math Tables: chi ^{2}-distribution |

(Math | Stat | Distributions | chi^{2}-Distributions) |

The -distribution, with n degrees of freedom, is given by the equation:

f() = ()The area within an interval (a, ) = f() d = (n/2, a/2) / (n/2)^{^(n/2 - 1)}e^{^(- }/ 2^{)}2^{^(-n/2)}/ (n/2)