The article "Online Shopping Grows, But Depart- ment, Discount Stores Still Most Popular with Holiday Shoppers" (Gallup Poll Analyses, December 2, 2002) included the data in the accompanying table. The data are based on two telephone surveys, one conducted in November 2000 and one in November 2002. Respondents were asked if they were very likely, somewhat likely, not too likely, or not at all likely to do Christmas shopping online.
Relative Frequency
Response 2000 2002
Very likely .09 .15
Somewhat likely .12 .14
Not too likely .14 .12
Not at all likely .65 .59
a. Construct a comparative bar chart.
b. Would a bar chart or a pie chart be a better choice for summarizing this data set? Explain.
c. Based on your answer to Part (a), construct an appropriate graphical summary of the given data.
d. Write a few sentences describing the interesting features of your graphical display.