Phi is sensitive to unequal marginal distributions.

Name: Phi is sensitive to unequal marginal distributions.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Phi coefficient measures the association between two binary variables, and it is sensitive to unequal marginal distributions. Unequal marginal distributions mean that one variable has significantly more or fewer occurrences than the other variable. In such cases, the phi coefficient may overestimate or underestimate the strength of association between the two variables.

Phi Is Sensitive to Unequal Marginal Distributions