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.
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