Comparing Groups (How Two Qualitative Variables Relate to One Another)

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Chapter 9 Comparing Groups (How Two Qualitative Variables Relate to One Another)

We previously learned how to graphically depict the relationship between two qualitative variables with a bar chart (Subsection 1.3.3). To make a comparison that includes a significance test, we will need to use the chi square distribution, together with a contingency table.

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