Electric plug-in vehicle sales have been increasing worldwide. The table below displays data collected by the U.S.

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Electric plug-in vehicle sales have been increasing worldwide. The table below displays data collected by the U.S. Department of Energy on electric plug-in vehicle sales in the words top markets in 2013 and 2015. (Data compiled by Argonne National Laboratory, U.S. Department of Energy website, https://www.energy.gov/eere/vehicles/fact-918-march-28-2016-global-plug-light-vehicle-sales-increased-about-80-2015) 

Region 2013 2015 China Western Europe United States 15,004 71,233 97,102 214,283 184,500 115,262 Japan 28,716 46,339 Canada 931 5,284


a. Construct a side-by-side bar chart with year as the variable on the horizontal axis. Comment on any trend in the display. 

b. Convert the above table to percentage allocation for each year. Construct a stacked bar chart with year as the variable on the horizontal axis. 

c. Is the display in part (a) or part (b) more insightful? Explain

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Statistics For Business & Economics

ISBN: 9781337901062

14th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

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