Glossary Term
Chi-Square Test
Performance MetricsEN
Definition
Chi-square test is a statistical test for testing the null hypothesis that the distribution of a discrete random variable coincides with a given distribution. It is one of the most popular goodness-of-fit tests.
Extended Notes
Source: National Cancer Institute, NCI Thesaurus 26.09d, C53235. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Also Known As
Chi-Square Test