Find the Value of the Linear Correlation Coefficient R $\begin{array}{r|rrrrr}\mathrm{x} & 1.2 & 1.4 & 1.6 & 1.8 & 2.0 \\\hline \mathrm{y} & 54 & 53 & 55 & 54 & 56\end{array}$

Multiple Choice

Find the value of the linear correlation coefficient r.
- $\begin{array}{r|rrrrr}\mathrm{x} & 1.2 & 1.4 & 1.6 & 1.8 & 2.0 \\\hline \mathrm{y} & 54 & 53 & 55 & 54 & 56\end{array}$

A) $\hat { y }= 50 + 3 x$
B) $\hat { y } = 55.3 + 2.40 \mathrm { x }$
C) $\hat { y } = 54$
D) $\hat { y } = 50.4 + 2.50 x$