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单词 Noncentrality parameter
释义

Noncentrality parameter

英语百科

Noncentrality parameter

Noncentrality parameters are parameters of families of probability distributions that are related to other "central" families of distributions. Whereas the central distribution describes how a test statistic is distributed when the difference tested is null, noncentral distributions describe the distribution of a test statistic when the null is false. This leads to their use in statistics, especially calculating statistical power.

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