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chi square |
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chi square (χ2) [kī] (in statistics) a statistic test for an association between observed data and expected data represented by frequencies. The test yields a statement of the probability of the obtained distribution having occurred by chance alone. chi square (kī), n a nonparametric statistic used with discrete data in the form of frequency count (nominal data) or percentages or proportions that can be reduced to frequencies. Used to determine differences between categories (e.g., yes-no; visits dental office every 6 months, 1 year, 2 years, 5 years); compares the observed results with the expected results to determine significant differences. May be used with many categories of response. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A chi square test revealed no significant difference between treatment groups with respect to students' gender, [chi square] (1, N = 19) = 1. The results of a Chi square analysis indicated that there were significant differences between the families as far as mother's marital status is concerned ([chi square]= 6. The results of a Chi Square Test showed significant differences between the overall training needs of rehabilitation teachers and rehabilitation counselors, [chi square] (7, N = 191) = 17. |
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