If cov(X,Y) = -350, s_x² = 900 and s_y² = 225, then the coefficient of determination is: $\begin{array}{|l|l|} \hline\text { A. } & 0.8819 \ \hline \text { B. } & 0.7778 . \ \hline \text { C. } & -0.0017 \ \hline \text { D. } & 0.0017 . \ \hline \end{array}$

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The Answer of If cov(X,Y) = -350, s_x² = 900 and s_y² = 225, then the coefficient of determination is: $\begin{array}{|l|l|} \hline\text { A. } & 0.8819 \ \hline \text { B. } & 0.7778 . \ \hline \text { C. } & -0.0017 \ \hline \text { D. } & 0.0017 . \ \hline \end{array}$

If Cov(X,Y) = -350, Sx2 = 900 and Sy2 =

If Cov(X,Y) = -350, S_x² = 900 and S_y² =