Compute the Weighted Mean for the Following Data $\begin{array} { l }\mathbf{x}_{\mathbf{i}}&\text { W eight } w_{i})\\9&10\\8&12\\5&4\\3&5\\2&3\end{array}$

Compute the weighted mean for the following data.
$\begin{array} { l }\mathbf{x}_{\mathbf{i}}&\text { W eight } w_{i})\\9&10\\8&12\\5&4\\3&5\\2&3\end{array}$