A poll conducted by the Associated Press€“ Ipsos on public attitudes found that most Americans are convinced that political corruption is a major problem (San Luis Obispo Tribune, December 9, 2005). In the poll, 1002 adults were surveyed. Two of the questions and the summarized responses to these questions follow: How widespread do you think corruption is in public service in America?

In general, which elected of fi cials would you say are more ethical?

a. For each question, construct a pie chart summarizing the data.
b. For each question, construct a segmented bar chart displaying the data.
c. Which type of graph (pie chart or segmented bar graph) does a better job of presenting the data? Explain.

Hardly anyone A small number A moderate number A lot of people Almost everyone Not sure 190 20% 3990 2890 10% 2% 36% 33% 1 096 15% 6% Democrats Republicans Both equally Neither Not sure