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The regression equation Salary = 28,000 + 2700 YearsExperience + 1900 YearsCollege describes employee salaries at Ramjac Corporation. The standard error is 2400. Mary has 10 years' experience and 4 years of college. Her salary is $58,350. What is Mary's standardized residual (approximately)?

+1.400

+2.007

-1.771

-1.150

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