Find the Slope of the Simple Regression $\hat { y }$

Multiple Choice

Find the slope of the simple regression $\hat { y }$ = b₀ + b₁x. $$\begin{array} { | c | c | } \hline X & Y \\\hline 3 & 8 \\\hline 7 & 12 \\\hline 5 & 13 \\\hline 9 & 10 \\\hline 11 & 17 \\\hline 13 & 23 \\\hline 19 & 39 \\\hline 21 & 38 \\\hline\end{array}$$

A) 1.976
B) 3.294
C) 0.762
D) -2.228