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“Make everything simpler, but not simple” - Albert Einstein

Chi-Squre

A statistical significance test used for variables that have been organized into categories and presented in a crosstab or contingency table. A cross-tab displays the frequency distribution of the two or more variables crossed against each other. When you summarize two categorical variables in a cross-tab, your implicit interest is “Are the two variables related or independent?” Chi-Square is a statistical technique that can be applied to assess this very question.