Find the Value of the Linear Correlation Coefficient R $\begin{array}{r|rrrr}x & 2 & 4 & 5 & 6 \\\hline y & 7 & 11 & 13 & 20\end{array}$

Multiple Choice

Find the value of the linear correlation coefficient r.
- $\begin{array}{r|rrrr}x & 2 & 4 & 5 & 6 \\\hline y & 7 & 11 & 13 & 20\end{array}$

A) $\hat { y } = 0.15 + 3.0 x$
B) $\hat { y } = 2.8 x$
C) $\hat { y } = 0.15 + 2.8 x$
D) $\hat { y } = 3.0 x$