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Question
The correlation coefficient
Options
r = `± sqrt("b"_"xy" xx "b"_"yx")`
r = `1/("b"_"xy" xx "b"_"yx")`
r = bxy × byx
r = `± sqrt(1/("b"_"xy" xx "b"_"yx")`
Solution
r = `± sqrt("b"_"xy" xx "b"_"yx")`
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