noncentral chi-square distribution

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noncentral chi-square distribution

[‚nän¦sen·trəl ¦kī ‚skwer ‚dis·trə′byü·shən]
(statistics)
The distribution of the sum of squares of independent normal random variables, each with unit variance and nonzero mean; used to determine the power function of the chi-square test.
References in periodicals archive ?
l] follows a noncentral Chi-squared distribution with noncentrality parameter [mathematical expression not reproducible].