Some people are just good at lying. In Figure 14.9, for example, sales are increasing. Or are
they? The chart author reversed the categories along the x-axis. The most recent year is at
the left. I bet no one will notice.
14
Chapter 14Knowing When Someone Is Lying to You with a Chart
428
Figure 14.7
Adding data
obscures the mar-
keting excesses.
Figure 14.8
Inferring a trend
based on a two-
point line is danger-
ous.You need to add
more data points to
tell the real story.
429
Deliberately Using Charts to Lie
As another example, ...
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