chi-square distribution

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chi-square distribution

(ˈkaɪˌskwɛə)
n
(Statistics) statistics 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
References in periodicals archive ?
Bivariate analysis was done using Chi squared test to establish the effect (if any) of each risk factor on the outcome variables (morbidity and mortality).
Stone, 2000) have proposed a fit index that explicitly accounts for the measurement error inherent in an estimated theta value, here called chi squared superscript 2, subscript i*.