Answer Happy

data were collected from a sample of 15 CEOs relating annual
salary to years of experience and the economic sector their company
belongs to. Use statistical software to find the following
regression equation:
SALARYi=b0+b1EXPERIENCEi+b2SERVICEi+b3INDUSTRIALi+ei. Is there
enough evidence to support the claim that on average, CEOs in the
service sector have lower salaries than CEOs in the financial
sector at the 0.05 level of significance? Find equation.
Salary Experience Service (1
if service sector, 0 otherwise) Industrial (1 if
industrial sector, 0 otherwise) Financial (1 if
financial sector, 0 otherwise)
170285 14 0
0 1
154013 19 1
0 0
159900 27 0
1 0
137750 2 1
0 0
165537 27 1
0 0
214560 32 0
0 1
167438 31 0
1 0
204325 28 0
0 1
136200 4 1
0 0
134075 2 0
1 0
129850 3 0
1 0
158313 21 0
1 0
181986 19 0
0 1
150000 16 1
0 0
175000 16 0
0 1