If the Coefficient of Correlation Is 0

Short Answer

If the coefficient of correlation is 0.80, the percentage of the variation in y that is explained by the variation in x is: $\begin{array}{|l|l|}\hline\text { A. } & 80 \% \\\hline \text { B. } & 0.64 \% \\\hline \text { C. } & -80 \% \\\hline \text { D. } & 64 \% \\\hline\end{array}$