Question: please answer part b as well please QUESTION 2: Forecasting (20 Points Given the following data Year 1 2. 3 4. 5 Demand 74 90

please answer part b as well please

please answer part b as well please QUESTION 2:

QUESTION 2: Forecasting (20 Points Given the following data Year 1 2. 3 4. 5 Demand 74 90 59 91 140 98 110 123 99 6 7 8 9 a) Calculate the Nave and three-year moving averages for years 4 through 10. b) Use MAD to determine which method gives more accurate forecast

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