Quadratic relation 1 Suppose Y = X^2. What is the correlation between random variables X and Y? 0, because correlation only measures variables' relations up to linear relations. 1 1/4 We don't know, it depends on X's distribution
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- Given that Y = X^2, we know that Y is a quadratic function of X. This means that Y increases as X moves away from zero, whether X is positive or negative. Show more…
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