Please help me with this question by using matlab to successfully run it.Plase add the comments Thank you for your help

20 Points) The following data is given -6 -4 -1 0 3 5 8 y 18 13 6 4 -1 -8 -15 Use linear lease-squares regression to determine the coefficients m and b in the function y = mx +b that best fit the data. Use an equation given in lecture to determine the overall error. Plot the data (given points and interpolation fit)