Education Data. The data set described in Appendix C.2 contains state average scores on the eighth grade NAEP test for mathematics, together with some economic information for each state. Assess the...

Education Data. The data set described in Appendix C.2 contains state average scores on the eighth grade NAEP test for mathematics, together with some economic information for each state. Assess the relationship between eighth grade math scores and median incomes using both a parametric and nonparametric measure. What are the pros and cons of each analysis? What is it about the data that might lead you to prefer the nonparametric measure?