单词 | noncentral chi-square distribution |
释义 | noncentral chi-square distribution [´nän¦sen·trǝl ¦kī ´skwer ´dis·trǝ`byü·shǝn] 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. |
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