Problem
Visit the U.S. Census Bureau web site at www.census.gov and, in order, select income, historical income tables, households, and table H-2. Since 1970, how has the share of aggregate household income received by the lowest and highest income quintiles changed? Provide the data obtained from the web site and interpret.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.