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Competitive Stats
Q25Section I (Objective (Q1–Q80))25 of 80

Statistics — invariance of the correlation coefficient under linear transformations

If the coefficient of correlation r(2x,y)=0.25r(2x,y)=0.25, then what is r ⁣(4x−3,7−4y8)r\!\left(4x-3,\dfrac{7-4y}{8}\right) equal to?

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