In a Study of Employee Stock Ownership Plans,data Wee Collected

In a study of employee stock ownership plans,data wee collected at seven companies on satisfaction with the plan and the amount of organization commitment.
$\begin{array} { | l | l | } \hline \text { Satisfaction } & \text { Commitment } \\\hline 5.05 & 5.37 \\\hline 4.12 & 4.49 \\\hline 5.39 & 5.42 \\\hline 4.17 & 4.45 \\\hline 4.00 & 4.24 \\\hline 4.49 & 5.34 \\\hline 5.40 & 5.62 \\\hline\end{array}$
It can be shown that for these data: $\bar{X}=4.66, \quad \bar{y}=4.99, \quad \sum_{i=1}^{7}\left(x_{i}-\bar{x}\right)^{2}=2.23$
$\sum_{i=1}^{7}\left(y_{i}-\bar{y}\right)^{2}=1.95, \quad \sum_{i=1}^{7}\left(x_{i}-\bar{x}\right)\left(y_{i}-\bar{y}\right)=1.898$
Calculate b₁.