The table shows the number (in millions) of the foreign-born population of the United States in 2004, by place of birth.
Foreign-Born Population in the United States
Place of Birth Number (in Millions)
Europe............ 4.7
Caribbean.......... 3.3
Central America........ 12.9
South America........ 2.1
Asia............. 8.7
Other............. 2.6
Total.............. 34.3
a. Is Place of Birth quantitative or categorical? Show how to summarize results by adding a column of percentages to the table.
b. Which of the following is a sensible numerical summary for these data: Mode (or modal category), mean, median? Explain, and report whichever is/are sensible.
c. How would you order the Place of Birth categories for a Pareto chart? What’s its advantage over the ordinary bar graph?