A chi-square (also called chi-squared) test is a classical statistics technique that can be used to determine if observed-count data matches expected-count data. For example, suppose you have three ...

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 ...

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 ...