Question: Refer again to the crosstabulation of household income by educational level shown in exercise 31.

a. Compute column percentages and identify the percent frequency distributions dis-played. What pe rcentage of the heads of households d id not graduate from high school?

b. What percentage of the households earning SI 00.000 or more were headed by a per-son having schooling beyond a bachelor's degree? What percentage of the households headed by a person with schooling beyond a bachelor's degree earned over $100.000? Why are these two percentages different?

c. Compare the percent frequency distributions for those house hokls earning "Under 25:' "100 or more." and for "Total." Comment on the relationship between household income and educational level of the head of household.

Exercise: The following cross tabulation shows household income by educational level of the head of household (Statistical Abstract of the United States: 2008).

a. Compute the row percentages and identify the percent frequency distributions of income for households in which the head is a high school graduate and in which the head holds a bachelors degree.

b. What percentage of households headed by high school graduates earn 575.000 or more? What percentage of households headed by bachelors degree recipients earn 575.000 or more?

c. Construct percent frequency histograms of income for households headed by persons with a high school degree and for those headed by persons with a bachelors degree. Is any relationship evident between household income and educational level?