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 ...
The chi-square test is a statistical hypothesis test that is used to compare observed and expected counts in a contingency table. Its uses include: tests for independence, tests for homogeneity, and ...
The Pearson chi-square statistic in Output 28.5.2 provides evidence of an association between eye and hair color (p =0.0073). The cell chi-square values show that most of the association is due to ...