Chapter 2.3, Problem 32E

The following crosstabulation shows the number of households (1000s) in each of the four regions of the United States and the number of households at each income level (U.S. Census Bureau website, August 2013).

1. a. Compute the row percentages and identify the percent frequency distributions of income for households in each region.
2. b. What percentage of households in the west region have an income level of $50,000 or more? What percentage of households in the South region have an income level of $50,000 or more?
3. c. Construct percent frequency histograms for each region of households. do any relationships between regions and income level appear to be evident in your findings?
4. d. Compute the column percentages. What information do the column percentages provide?
5. e. What percent of households with a household income of $100,000 and over are from the South region? What percentage of households from the South region have a household income of $100,000 and over? Why are these two percentages different?