Wage and Race 1987. Shown in Display 10.25 are the first few rows of a data...

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Wage and Race 1987. Shown in Display 10.25 are the first few rows of a data set from the 1988March U.S. Current Population Survey. The set contains weekly wages in 1987 (in 1992 dollars) for a sample of 25,437 males between the age of 18 and 70 who worked full-time, their years of education, years of experience, whether they were black, whether they worked in a standard metropolitan statistical area (i.e., in or near a city), and a code for the region in the U.S. where they worked (Northeast, Midwest, South, and West). Analyze the data and write a brief statistical report to see whether and to what extent black males were paid less than nonblack males in the same region and with the same levels of education and experience. Realize that the extent to which blacks were paid differently than nonblacks may depend on region. (Suggestion: Refrain from looking at interactive effects, except for the one implied by the previous sentence.) (These data, from the Current Population Survey (CPS), were discussed in the paper by H. J. Bierens and D. K. Ginther, "Integrated Conditional Moment Testing of Quantile Regression Models," Empirical Economics 26 (2001): 307-24; and made available at the Web site http://econ.la.psu.edu/hbierens/MEDIAN.HTM (April, 2008).) DISPLAY 10.25 Data on the first 5 individuals (out of 25,437) in the 1987 wage a Region MetropolitanStatus Exper Educ Race South NotMetropolitan Area 8 12 NotBlack Midwest Metropolitan Area 30 12 NotBlack West Metropolitan Area 31 14 NotBlack West Metropolitan Area 17 16 NotBlack West Metropolitan Area 6 12 NotBlack Wage and Race 1987. Shown in Display 10.25 are the first few rows of a data set from the 1988March U.S. Current Population Survey. The set contains weekly wages in 1987 (in 1992 dollars) for a sample of 25,437 males between the age of 18 and 70 who worked full-time, their years of education, years of experience, whether they were black, whether they worked in a standard metropolitan statistical area (i.e., in or near a city), and a code for the region in the U.S. where they worked (Northeast, Midwest, South, and West). Analyze the data and write a brief statistical report to see whether and to what extent black males were paid less than nonblack males in the same region and with the same levels of education and experience. Realize that the extent to which blacks were paid differently than nonblacks may depend on region. (Suggestion: Refrain from looking at interactive effects, except for the one implied by the previous sentence.) (These data, from the Current Population Survey (CPS), were discussed in the paper by H. J. Bierens and D. K. Ginther, "Integrated Conditional Moment Testing of Quantile Regression Models," Empirical Economics 26 (2001): 307-24; and made available at the Web site http://econ.la.psu.edu/hbierens/MEDIAN.HTM (April, 2008).) DISPLAY 10.25 Data on the first 5 individuals (out of 25,437) in the 1987 wage a Region MetropolitanStatus Exper Educ Race South NotMetropolitan Area 8 12 NotBlack Midwest Metropolitan Area 30 12 NotBlack West Metropolitan Area 31 14 NotBlack West Metropolitan Area 17 16 NotBlack West Metropolitan Area 6 12 NotBlack