Microsoft Office Tutorials and References
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Exaggerating differences or similarities
Figure 11-1: Plotting only the last three data points does not
tell the entire story.
Figure 11-2: Plotting changes in terms of percentage
can lead to incorrect conclusions.
Exaggerating differences or similarities
The scale settings for the value axis of a chart can have a tremendous effect on a
chart’s overall impact. Figure 11-3 shows two charts. Both charts display the same
data, but they present dramatically different messages.
In the top chart, the value axis has a range of 15,000 units. In the bottom chart,
the axis has a range of only 160 units, which causes the minor deviations in the
data to be magnified.
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