If the correlation between rating of depression and sleep patterns is .70, what percent of depression can be explained by sleeping patterns?
30%
49%
70%
51%
The coefficient of determination gives the percent of dependent variable explained by independent variable.
coeff. of determination = r^2
= 0.7^2
= 0.49
Hence 49% is explained
option B
If the correlation between rating of depression and sleep patterns is .70, what percent of depression...
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