The term chi-square, chi-squared, or
has various uses in
statistics
Statistics (from German language, German: ', "description of a State (polity), state, a country") is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. In applying statistics to a s ...
:
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chi-square distribution The term chi-square, chi-squared, or \chi^2 has various uses in statistics
Statistics (from German language, German: ', "description of a State (polity), state, a country") is the discipline that concerns the collection, organization, analys ...
, a continuous probability distribution
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chi-square test
A chi-squared test (also chi-square or test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large. In simpler terms, this test is primarily used to examine whether two categorical variable ...
, name given to some tests using chi-square distribution
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chi-square target models, a mathematical model used in radar cross-section
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