A survey was conducted prior to the 2004 presidential election to explore the relationship between a person€™s religious fervor and their choice of a political candidate. Voters were asked how often they attended church and which of the two major presidential candidates (George W. Bush or his democratic opponent) they would favor in the 2004 election. The results are shown below.

a. What variables have been measured in this survey? Are they qualitative or quantitative?

b. Draw side-by-side comparative bar charts to describe the percentages favoring the two candidates, categorized by church attendance.

c. Draw two line charts on the same set of axes to describe the same percentages for the two candidates.

d. What conclusions can you draw using the two graphs in parts b and c? Which is more effective?

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Church Attendance G. W. Bush Democratic Candidate 37% 44% 48% 54% More than once a week Once a week Once or twice a month Once or twice a year Seldom/never 63% 56% 52% 46% 38% 62%