What is the chi-squared test? The chi-squared test, often written as χ 2 test, is a statistical hypothesis test used in the analysis of categorical variables to determine whether observed data are ...

computes a chi-square goodness-of-fit test for specified proportions. The chi-square goodness-of-fit test examines whether the children's hair color has a specified multinomial distribution for two ...

R is the perfect language for creating a variety of chi-square tests, which are used to perform statistical analyses of counts of data. Here's how, with some sample code. A chi-square test (also ...

output out=chisqdat pchi lrchi n nmiss; title 'Chi-Square Tests for 3 by 5 Table of Eye and Hair Color'; run; proc print data=chisqdat noobs; title 'Chi-Square Statistics for Eye and Hair Color'; ...

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 chi-square (also called chi-squared) ...

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