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.

A statistical test that allows one to determine whether observed quantities of a specific characteristic differed from the expected value purely by chance.

The aim of this paper is to relate and extend some recent work on chi-square goodness-of-fit tests. There is no discussion of any problems which are specifically associated with more than one ...

The chi-square test is appropriate for large sample inference, and it is equivalent to the Z-test that uses the difference between the two sample proportions for the 2 × 2 case.

As a student at the University of Minesota, I was required to take Biometrics and Genetics. Each of these classes included the application of a nonparametric test statistic known as ...