chi squared test

chi-square test

noun Statistics.
a test devised by Karl Pearson that uses the quantity chi-square for testing the mathematical fit of a frequency curve to an observed frequency distribution.
Also, chi-squared test [kahy-skwaird] .


Origin:
1935–40

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World English Dictionary
chi-square test
 
n
statistics a test derived from the chi-square distribution to compare the goodness of fit of theoretical and observed frequency distributions or to compare nominal data derived from unmatched groups of subjects

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

chi-square test n.
A test that uses the chi-square statistic to test the fit between a theoretical frequency distribution and a frequency distribution of observed data for which each observation may fall into one of several classes.

The American Heritage® Stedman's Medical Dictionary
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