巴特利特准则 Bartlett criterion

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In this paper the exact null distribution of Bartlett's criterion（巴特利特准则） for testing the homogeneity of variances in normal samples with unequal sizes is derived. The most general form of the density function is obtained by using contour integration. The expression for the cumulative distribution, being a series in simple algebraic functions, seems quite tractable for computation of the exact critical values. In the special case of equal sample sizes, some indication of the relation of the work of others to our series expansions has also been given.

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关键词：CRITERION Bartlett Bartle criter TERI expression function critical