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A test for dependent categorical data, such as yes/no data before & after a treatment. The McNemar-Bowker test generalizes McNemar's test for $k>2$ categories. The tests assess whether the population proportions in each pair of corresponding symmetric cells are equal.

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What kind of significance tests can I apply on before/after data that involves proportions?

I am trying to determine whether there is statistical significance from two groups of data. I have the data in terms of counts and proportions or percentages. There are two columns which show the freq …