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i have a categorical variable lets say variable "sex" : levels (Male,Female) and data is divided into two groups "treated" and "not treated". which test used to find correlation for a categorical variable("sex") between two groups?

i am thinking "chi square test for independence" can be used in this case to find p.value(correlation) between two groups but not sure whether it is right or wrong.

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If you are performing a chi-square test of independence you could use Cramér's phi to evaluate the strength of the dependency.

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