# statistics

A researcher finds that the correlation between variable A and variable B is
r = +.20. She also finds that the correlation between variable C and variable B is
r = -.40. Which relationship is scientifically more useful and by how much?

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2. 👎 0
3. 👁 66
asked by tiph
1. Assuming the sample size is the same, r^2 accounts for the amount of variability explained by r.

r^2 = .04

r^2 = .16

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2. 👎 0
posted by PsyDAG

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