2.15 The longer you stay in school, the more you eventually earn! True? Explore the data of Table 2.12 to see whether it appears to support this claim. Educational attainment is turned into an approximate number to simplify the statistical analysis.

a Construct a scatterplot of median weekly earnings versus years of schooling. Describe the pattern. Does a linear trend completely describe the pattern here?

b Construct a scatterplot of unemployment versus years of schooling. Describe any patterns you see here.