When the chi-square test value is significant and there is
Chapter 11, Problem 34(choose chapter or problem)
When the chi-square test value is significant and there is a relationship between the variables, the strength of this relationship can be measured by using the contingency coefficient. The formula for the contingency coefficient is
\(C=\sqrt{\frac{X^2}{{X^2} + n}}\)
where \(X^2\) is the test value and n is the sum of frequencies of the cells. The contingency coefficient will always be less than 1. Compute the contingency coefficient for Exercises 8 and 20.
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