chi-square distribution

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Definitions of chi-square distribution words

noun chi-square distribution a continuous single-parameter distribution derived as a special case of the gamma distribution and used esp to measure goodness of fit and to test hypotheses and obtain confidence intervals for the variance of a normally distributed variable 3
noun chi-square distribution mathematics: probability 1
noun chi-square distribution (statistics) a probability distribution used in inferential statistics. 0

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A common word. It’s meaning is known to most children of preschool age. About 92% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

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