# 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.

(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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