shown in the following table:

$\backslash$table$[[$Maroon $5$ TV Appearances,$3,5,7,5,8,7],[$Demand for Guitars,$3,5,8,5,10,7]]$

This exercise contains only parts $b,c,$ and $d.$

b$)$ Using the least$-$squares regression method, the equation for forecasting is $($round your responses to four decimal places$)$:

$Y=$