Public Speaking Handbook

298 14.2 Designing anD Using Presentation aiDs

charts A chart summarizes and presents a great deal of information in

a small amount of space. The tables throughout this text are charts. Charts

have several advantages: They are easy to use, reuse, and enlarge. They can

also be displayed in a variety of ways, such as on a flipchart, a poster, or a

Google sites

Microsoft sites

Yahoo! sites

Ask Network

AOL, Inc.

Top Preferred Internet Search Engines,

Market Share in 2012

67%

16%

12%

3%

2%

Figure 14.3 a pie graph shows the percentage of a

whole contributed by each part.

source: Data from comscore http://www.comscore.com/insights/

Press_releases/2012/12/comscore_releases_november_2012_U.s._

search_engine_rankings

2009 2010 2011

US Unemployment Rates

2012 2013

11

10

9

8

7

6

5

Figure 14.4 Line graphs show relationships between two or more variables.

source: United states Bureau of Labor statistics http://data.bls.gov/pdq/surveyoutputservlet?request_

action=wh&graph_name=Ln_cpsbref3

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