In Regression Analysis, the Coefficient of Determination $R ^ { 2 }$

Short Answer

In regression analysis, the coefficient of determination, $R ^ { 2 }$ , measures the amount of variation in y that is: $\begin{array}{|l|l|}\hline\text { A. } & \text { caused by the variation in \( x \).}\\\hline \text { B. } & \text {explained by the variation in \( x \). } \\\hline \text { C. } &\text { unexplained by the variation in \( x \).}\\\hline \text { D. } &\text {caused by the variation in \( x \) or explained by the variation in \( x \). }\\\hline\end{array}$