A survey of 1001 adults taken by Associated Press– Ipsos asked “How accurate are the weather fore-

casts in your area?” (San Luis Obispo Tribune, June 15, 2005). The responses are summarized in the table below.
Extremely 4%
Very 27%
Somewhat 53%
Not too 11%
Not at all 4%
Not sure 1%

a. Construct a pie chart to summarize these data.

b. Construct a bar chart to summarize these data.

c. Which of these charts—a pie chart or a bar chart—
best summarizes the important information? Explain.