For the Following Data, the Value of SSE = 18 $$\begin{array} { l l } \text { Dependent Variable } ( y ) & \text { Independent Variable } ( x ) \\15 & 4 \\17 & 6 \\23 & 2 \\17 & 4\end{array}$$

For the following data, the value of SSE = 18. $$\begin{array} { l l } \text { Dependent Variable } ( y ) & \text { Independent Variable } ( x ) \\15 & 4 \\17 & 6 \\23 & 2 \\17 & 4\end{array}$$ The coefficient of determination (r²) equals

A) .7071.
B) -.7071.
C) .5.
D) -.5.