Quarterly demand for vegetables at a wholesaler are as shown. Year Quarter Demand ('0005) 1 2...

 

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Quarterly demand for vegetables at a wholesaler are as shown. Year Quarter Demand ('0005) 1 2 3 III N 1 III IV III N 98 106 109 133 130 116 133 116 138 130 147 141 144 142 165 173 Forecast quarterly demand for year 5 using simple exponential smoothing with a = 0.1 as well as Holt's model with a = 0.1 and p = 0.2. Which of the two methods do you prefer? Why? (Hints: Use MAD and MAPE to justify your answer) Quarterly demand for vegetables at a wholesaler are as shown. Year Quarter Demand ('0005) 1 2 3 III N 1 III IV III N 98 106 109 133 130 116 133 116 138 130 147 141 144 142 165 173 Forecast quarterly demand for year 5 using simple exponential smoothing with a = 0.1 as well as Holt's model with a = 0.1 and p = 0.2. Which of the two methods do you prefer? Why? (Hints: Use MAD and MAPE to justify your answer)