Essentials of Modern Business Statistics with Microsoft Office Excel (Book Only)
7th Edition
ISBN: 9781337681643
Author: David R. Anderson; Dennis J. Sweeney; Thomas A. Williams
Publisher: Cengage Learning US
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Chapter 1, Problem 16SE
The Energy Information Administration of the U. S. Department of Energy provided time series data for the U. S. average price per gallon of conventional regular gasoline between January 2007 and March 2012 (Energy Information Administration website, April 2012). Use the Internet to obtain the average price per gallon of conventional regular gasoline since March 2012.
a. Extend the graph of the time series shown in Figure 1. 1.
b. What interpretations can you make about the average price per gallon of conventional regular gasoline since March 2012?
c. Does the time series continue to show a summer increase in the average price per gallon? Explain.
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Chapter 1 Solutions
Essentials of Modern Business Statistics with Microsoft Office Excel (Book Only)
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