Chi2 test | definition of chi2 test by Medical dictionary
chi-square test (redirected from chi2 test)
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a statistical procedure for determining significant differences between frequencies observed within the data and frequencies that were expected. There are two chi-squared tests: the chi-square test of independence, which tests whether two or more series of frequencies are independent of one another; and the chi-square test of goodness of fit, which tests whether an observed frequency distribution fits a specified theoretical model. Written also χ2-test.
a statistical method of assessing the significance of a difference, as when the data from two or more samples, such as the numbers of females and males attending each of two colleges, are represented by a discrete number.
References in periodicals archive
There was no significant differences in statistics: Pearson Chi2 test = 3.
The significant differentiation rate of infection among women below and above 37 weeks gestation were found (Pearson Chi2 test = 3.
The Chi2 test
of average difference between members and non-members of loyalty programs are significant for two variables with a risk of 5%.
Hence, the subsequent analysis has been carried out for each of these cities to capture the same and chi2 test
has been carried out and reported to find out the independence of responses (11) across cities.
The Chi2 test
suggests that p is significant in the two self-employment earnings equations, but not in the dependent employment equations.
were applied and risks were calculated for evaluating the association between dental decay, gingivitis and affection pattern by tooth type according to sex and age.