Compute equation of regression model for the data

Question

Solve the following:

Q: Use a computer to develop the equation of the regression model for the following data. Comment on the regression coefficients. Determine the predicted value of y for x1 = 33, x2 = 29, and x3 = 13.

y           x1          x2         x3
114      21        6          5
94        43        25        8
87        56        42        25
98        19        27        9
101      29        20        12
85        34        45        21
94        40        33        14
107      32        14        11
119      16        4          7
93        18        31        16
108      27        12        10
117      31        3          8