chi-square test


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chi-square test:

see statisticsstatistics,
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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The next set of chi-square tests evaluated the relationship between the triadic element of fire setting and each discrete variable of parental abuse.
2), while there were no Stage 17 embryos in the other treatments (Stage 17; chi-square test, [chi square] = 54.00, P < 0.0001).
Table 5 demonstrates results of Chi-square test and Fischer's exact test for differences between patients who died and who survived, according to the variables: annotation for phlogistic signs, hospitalization period and demand for swabs.
In addition PAFL group had more patients with smoking history (p = 0.00 Chi-Square test) and the less patients treated using regular corticosteroid inhalation (p = 0.03 Chi-Square test).
The low value 001 of Chi-square test clearly indicates that there is significant relationship between learning opportunities for women for career advancement and gender.
Our analysis demonstrates that aPKC scores correlate with Gleason score (Chi-square test) (Figure 3).
The Likelihood Ratio Chi-square test is just twice the Model negative log-likelihood.
Table 8 contains the output of the Chi-Square test. A low significance value 0.00 of Pearson Chi-square test and Likelihood ratio respectively (typically below 0.01) indicates dependence between the two variables.
Operations for rectal cancer were done in 27 patients (33.3%) in the octogenarian group and in 27 (42.3%) in the younger group (p=0.58, chi-square test).
Results: Treatment with Pelargonium sidoides was not associated with a statistically significant differences in fever and muscle aches (p> 0.05, Chi-square test).