Trend and seasonal variation in the sales

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Reference no: EM131798555

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. The data are also on the text website, labeled Sales Data.

1944_Ford and Mercury hybrid cars.png

a. Plot the above series. Comment on the trend and seasonal variation in the sales of hybrid cars.

b. Compute and interpret the seasonal indices

Reference no: EM131798555

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