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# Based on a sample of the salaries of professors at a major university, you have performed a multiple regression relating salary to years of service...

Based on a sample of the salaries of professors at a major university, you have performed a multiple regression relating salary to years of service and gender. The estimated multiple linear regression model is

Salary = \$45,000 + \$3000(Years) + \$4000(Gender) + \$1000[(Years)(Gender)]

where Gender = 1 if the professor is male and Gender = 0 if the professor is female.
Reference: Ref 11-5

Using the multiple linear regression equation, you would estimate the average difference in the salaries of a male professor with three years of service and female professor with three years of service to be

a. \$3000.

b. \$5000.

c. \$7000.

d. \$4000.

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