In alphabetical order, the six most common last names in the United States are Brown, Davis, Johnson, Jones, Smith, and Williams (The World Almanac, 2006). Assume that a sample of 50 individuals with one of these last names provided the following data.

Brown Williams Williams Williams Brown Smith Jones Smith Johnson Smith Davis Smith Brown Williams Johnson Johnson Smith Smith Johnson Brown Williams Davis Johnson Williams Johnson Williams Johnson Jones Smith Brown Johnson Smith Smith Brown Jones Jones Jones Smith Smith Davis Davis Jones Williams Davis Smith Jones Johnson Brown Johnson Davis Summarize the data by constructing the following:

a. Relative and percent frequency distributions

b. A bar chart

c. A pie chart

d. Based on these data, what are the three most common last names?