A chi-square test (also called chi-square d test) is a common statistical technique used when you have data that consists of counts in categories. For example, you might have counts of the number of ...

It is usually unrealistic to regard observations from a complex survey as independent, but practitioners often use standard chi-squared tests with survey data. We look at the effect of correlations ...

In many biological problems, the experimenter may prefer to use a chi-square test for linear trends in proportions rather than the standard chi-square test of homogeneity. In this paper the ...