The chart in Figure I.2 prompts you to make some calls to see what was happening on
Fridays at this location. You might discover that the city was throwing free Friday
lunchtime concerts from June through August and that the manager of the restaurant was
offered a concession at the concert location but thought that it would be too much trouble.
Using this pair of charts enabled you to isolate a problem and equipped you to make better
decisions in the future.
Using Excel as Your Charting Canvas
Excel 2007 offers a complete ...
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