Consider the accompanying set of dependent and independent variables. The variable x3 is qualitative with M=Male and F=Female. Complete parts a and b below.

y x1 x2 x3

11 3 16 M

16 5 10 F

16 6 12 F

20 9 10 M

22 7 2 M

20 11 9 M

26 16 7 M

33 20 4 F

Complete the regression equation for the modelbelow, where x3 represents the dummy variable Gender.