Question: The following crosstabulation 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?