Salary Experience Service (1 if service sector, 0 otherwise) Industrial (1 if industrial sector, 0 otherwise) Financial (1 if financial sector, 0 otherwise) 206395 30 0 0 1 125492 2 0 0 1 229740 30 0 0 1 136375 6 1 0 0 159625 27 0 1 0 162300 28 0 1 0 141450 7 0 1 0 143100 12 0 1 0 155019 11 0 0 1 146550 12 1 0 0 129115 2 0 0 1 140925 10 1 0 0 150000 16 1 0 0 145275 13 0 1 0 151037 17 1 0 0

SALARYi=b0+b1EXPERIENCEi+b2SERVICEi+b3INDUSTRIALi+ei.

data were collected from a sample of 15 CEOs relating annual salary to years of experience and the economic sector their company belongs to.

CEOs in the industrial sector have lower salaries than CEOs in the financial sector at the 0.01 level of significance. write the regression equation.