More recent data on AIDS/HIV world-wide can be found at http://data.unaids.org/ pub/EpiReport/2006/2006_EpiUpdate_en.pdf. How does the change in U.S. incidence rates compare to rates in the rest of...

More recent data on AIDS/HIV world-wide can be found at http://data.unaids.org/ pub/EpiReport/2006/2006_EpiUpdate_en.pdf. How does the change in U.S. incidence rates compare to rates in the rest of the world?

The following data represent the total number of households, the number of households headed by women, and family size from 1960 to 1990. Present these data in such a way to reveal any changes in U.S. demographics. What do the data suggest about how a social scientist might look at the problems facing the United States? (Households are given in thousands.)