Question: A study finds that the correlation between hours slept each night and academic performance is r = 0.25. How much of the variability in academic

A study finds that the correlation between hours slept each night and academic performance is r = 0.25. How much of the variability in academic performance can be explained by hours slept per night? a. 75% b. 0 % c. 6.25% d. 25% e. 50%

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