Consider the following data:

$($a $-15$ pts$)$ Manually $($feel free to use Excel$)$ calculate all needed numbers to obtain the

multiple linear regression to fit the data, the $r^2$ and $S_e.$ Also write$/$type the actual regression

equation.

$($b$-10$ pts$)$ Solve the problem using Python directly. Show your Python code and results

printout, including parameters.