Use the given data to do the following.

$($a$)$ Find the regression equation for the data points.

$($b$)$ Graph the regression equation and the data points.

$\backslash$table$[[x,2,5,3,1,4],[y,-1,8,1,0,5]]$

$($Note: Please enter the answer in the form of $b_0+b_{1}x$ where $b_0$ and $b_1$ are numbers.$)$

$($a$)$ Find the regression equation for the data points.

widehat$(y)=($Round to two decimal places as needed.$)$