Question

(a) Choose one beverage category and plot the data.
(b) Describe the trend (if any) and discuss possible causes.
(c) Would a fitted trend be helpful? Explain.
(d) Fit several trend models. Which is best, and why? If none is satisfactory, explain.
(e) Make forecasts for 2010 and 2015, using a trend model of your choice or a judgment forecast. Discuss. Note: Time increments are 5 years, so use t = 7 and t = 8 for your forecasts.


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  • CreatedAugust 19, 2015
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