Question $6$: $[$Score $4]$

Perform linear regression analysis to determine the $Y=a_0+a_{1}x$ relation from the following data. Also determine the $R^2$ of the linear fit. Use hand calculations.

$\backslash$table$[[x,10,30,40,50,60,80],[y,25,380,550,610,1220,1450]]$

Question $7$: $[$Score $1]$

Solve the same problem of question $6$ using MATLAB.