According to Divorce Magazine.com, Infoplease, and Americans for Divorce Reform, approximately 49% of all marriages in the United States end in divorce. Belarus has the highest divorce rate (68%) while Sri Lanka has the lowest (0.15%). Many factors contribute to divorce, for example, religion, occupation, and expectations. In a recent survey, American adults were asked to name the most important issue to discuss before marriage. The proportion of adults who indicated each issue is given in the following table.
|
Children
|
Finances
|
Religion
|
Work-life Issues
|
Others
|
| |
|
|
|
|
|
0.36
|
0.32
|
0.19
|
0.07
|
0.06
|
Source: Findlaw.com as reported by Stuckey and Kereselidze for USA Today, December 12, 2005.
a) Construct a bar chart and a pie chart for these data using the proportions in the table.
b) Suppose 1002 adults participated in the survey. Find the frequency for each issue - that is the number of adults who indicated each key issue.
c) Which type of chart is more effective in presenting these data? Justify your response.