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chi-square test

   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia, Hutchinson 0.01 sec.
chi-square test: see statistics statistics, science of collecting and classifying a group of facts according to their relative number and determining certain values that represent characteristics of the group.
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chi-square test [′kī ¦skwer ′test]
(statistics)
A generalization, and an extension, of a test for significant differences between a binomial population and a multinomial population, wherein each observation may fall into one of several classes and furnishes a comparison among several samples instead of just two.


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22) We applied the following indexes to assess model fit: comparative fit index (CFI), relative fit (RF), Tucker-Lewis Index (TLI), root-mean-square error of approximation (RMSEA), and the model fit chi-square test and associated P value.
When we explored gender differences in responses to this statement using a 2 (Gender) x 3 (Agreement Categories) chi-square test, we observed that women were significantly more likely than men to disagree with this true statement, [chi square] (2, n = 565) = 10.
The second hypothesis was analyzed using a two-variable chi-square test.
 
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