If C is the coefficient of mean square contingency and 'r' and 's' are the numbers of rows and columns, respectively, then the maximum value of C is:
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Correct answer: (D)
Explanation
For an r × s table, the contingency coefficient C has a maximum of √((k − 1)/k), where k = min(r, s). With rows as the smaller dimension this is √((r − 1)/r).



