Based on a Sample of the Salaries of Professors at a Major

question 21

Multiple Choice

Based on a sample of the salaries of professors at a major university,you have performed a multiple linear regression relating salary to years of service and gender.The data included information on the following variables. The estimated multiple linear regression model is Salary = 45 + 3(Years) + 4(Gender) + 1(Years) (Gender) .
A particular female professor with 6 years of experience currently has a salary of $60,000.What is the residual for this observation?

• A)-$9000
• B)-$3000
• C)$3000
• D)$9000

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