Consider the three education variables whose survey questions and response categories are listed below. Discuss which of the types of variables listed in Table 5.1 are consistent with each variable (allowing each variable to have more than one type, where relevant). What do you see as some challenges to describing the distribution of each of these variables? Are there other ways you might gather education that might be more informative?

hidegree "What is the highest degree you have completed?" 1-high school diploma 2=GED 3-associate's degree 4-bachelor's degree 5-master's degree 6-PhD 7=JD 8=MD 9-other (specify) yrschl "How many years of school have you completed?" 0 to 25 years educ "How far did you get in school?" 9-9th grade 10=10th grade 11-11th grade 12-12th grade 13-high school diploma or GED 14-some college 15-associate's degree 16-bachelor's degree 17-master's of professional degree 18-doctoral degree