Make a time-series graph for average her
15. Expand Your Knowledge Donut Pie Charts The book The Wall Street
Journal. Guide to Information Graphics by Dona M. Wong gives strate-
gies for using graphs and charts to display information effectively. One
popular graph discussed is the donut pie chart. The donut pie chart is
simply a pie chart with the center removed. A recent Harris Poll asked
adults about their opinions regarding whether books should be banned
from libraries because of social, language, violent, sexual, or religious
content. The responses by education level to the question, "Do you think
that there are any books which should be banned completely?" are shown
in the following donut pie charts.
Graphs made by Ramon
(a) High school or less
(b) College graduato
Yes No Not at all sure
(ii)
Graph made by Keith
Some college
Yes No
Not at all sure
woledagolos
(a) What feature of Keith's graph makes it difficult to visually compare the
responses of those with some college to those shown in the other graphs?
How would you change Keith's graph for easier comparison?
(b) Interpretation Compare graphs made by Ramon. At which of the two
education levels is the "no" response more frequent?
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