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Microsoft® Excel® 2010: Data Analysis and Business Modeling
book

Microsoft® Excel® 2010: Data Analysis and Business Modeling

by Wayne L. Winston
January 2011
Beginner to intermediate content levelBeginner to intermediate
720 pages
23h 29m
English
Microsoft Press
Content preview from Microsoft® Excel® 2010: Data Analysis and Business Modeling

Chapter 58. Using Moving Averages to Understand Time Series

Question answered in this chapter:

  • I’m trying to analyze the upward trend in quarterly revenues of Amazon.com since 1996. Fourth quarter sales in the U.S. are usually larger (because of Christmas) than sales during the first quarter of the following year. This pattern obscures the upward trend in sales. Is there any way that I can graphically show the upward trend in revenues?

Answers to This Chapter’s Question

Time series data simply displays the same quantity measured at different points in time. For example, the data in the file Amazon.xlsx, a subset of which is shown in Figure 58-1, displays the time series for quarterly revenues in millions of dollars for Amazon.com. The data covers ...

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Publisher Resources

ISBN: 9780735656864Purchase book