χ2 Test and Comparison of Proportions
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Input must be either:
1) in a 2 x 2 contingency table or
2) as raw cases in two columns containing codes of categories or
3) as frequency of up to 255 categories (second column) in two categories as codes in the first column or
4) as raw cases in two columns containing codes of 2 in the first and up to 255 categories in the second column or
5) as raw cases in two columns containing codes of up to 255 categories in both columns. or
6) as proportions in range 0...1 or
7) as percentages in range 0...100.