Hybrid cars have gained popularity because of their fuel economy and the uncertainty regarding the price of
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Hybrid cars have gained popularity because of their fuel economy and the uncertainty regarding the price of gasoline. All automakers, including the Ford Motor Co., have planned to significantly expand their hybrid vehicle lineup (CNN.com, November 9, 2005). The following table contains quarterly sales of Ford and Mercury hybrid cars.
a. Plot the preceding series. Comment on the trend and seasonal variation in the sales of hybrid cars.
b. Compute and interpret the seasonal indices.
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Related Book For
Business Statistics Communicating With Numbers
ISBN: 9780078020551
2nd Edition
Authors: Sanjiv Jaggia, Alison Kelly
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