Association between Two Categorical Variables: Contingency Analysis with Chi Square


Categorical variables, including nominal and ordinal variables, are described by tabulating their frequencies or probability. If two variables are associated, the probability of one will depend on the probability of the other. Chi square tests the hypothesized association between two categorical variables and contingency analysis allows us to quantify their association.


Contingency Analysis Brand Choice Poor Performer Saturday Morning Expect Cell Count 
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© Springer Science+Business Media, LLC 2009

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