- 1. n. A measurement of how expectations compare to results, used in the common chi-squared tests for goodness of fit of an observed distribution to a theoretical one, the independence of two criteria of classification of qualitative data, and in confidence interval estimation for a population standard deviation of a normal distribution from a sample standard deviation. Source: wordnet
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chi-square statistic
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deviationdistributionstandardclassificationcommoncompareconfidencecriteriadataestimationexpectationsfitgoodnessindependenceintervalmeasurementnormalobservedpopulationqualitativeresultssampleteststheoretical
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