Exercise 3.8
A poll conducted by the Associated Press-Ipsos on public attitudes found that most Americans are convinces 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?
Hardly anyone 1%
A small number 20%
A moderate number 39%
A lot of people 28%
Almost everyone 10%
Not sure 2%

     In general, which elected officials would you say are more ethical?
Democrats 36%
Republicans 33%
Both equally 10%
Neither 15%
Not sure 6%

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.


  • Return to HW2