Concept explainers
An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Salary of each professor for each year during an eight-year period (n = 423) with the following results, with dependent variable Salary and predictors Year (year in which the salary was observed), YearHire (year when the individual was hired), Race (1 if individual is black, 0 otherwise), and Rank (1 if individual is an assistant professor, 0 otherwise). (a) Which of these predictor variables are significant predictors of Salary? Explain. (b) What does the coefficient on Race tell you about the relationship between Salary and Race? (c) What does the coefficient on Rank tell you about the relationship between Salary and Rank?
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APPLIED STAT.IN BUS.+ECONOMICS
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