The phi coefficient is: A)always less than 0 B)equal to the square root of χ²/N C)always greater than 1 D)equal to the square root of χ²/ N-1

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Quizplus · Accepted Answer

The phi coefficient is a measure of association between two binary variables. It ranges from -1 to 1, where -1 indicates a perfect negative association, 0 indicates no association, and 1 indicates a perfect positive association. The formula for calculating the phi coefficient is (χ²/N)^(1/2), which matches option B.

The Phi Coefficient Is