David C. Howell

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The following material provides examples and demonstrations for the chi-square test. 

Additional material expanding on the coverage in either of the texts is available in a short page I wrote in answer to a query from a student. It deals with the situation in which the levels of one or both of the variables are at least ordinal. This paper can be found at Ordinal Chi-square.


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Last revised: 3/7/2009