Question: Can someone help explain #11 please? Not really looking for answers. Unless it is explained to where I can understand it. Thanks in advance! 9.

Can someone help explain #11 please? Not really looking for answers. Unless it is explained to where I can understand it. Thanks in advance!

9. If 49% of the total variability of Y is accounted for by X, what is the value of r? a. 0.49 b. 0.51 C. 0.70 d. 0.30 10. Satisfying the assumption of homoscedasticity allows you to a. Interpret the standard error of estimate b. Calculate multiple R c. Calculate a standardized regression coefficient d. Decide who has been naughty or nice 11. For the following X and Y scores, how much of the variability of Y is accounted for by knowledge of X? Assume a linear relationship. 20 15 6 10 6 5 4 0 a. 68% c. 58% b. 34% d. 27%

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