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(Solved): 2. Sales for the past 12 months at Bell, Inc. are given below. a. Use a three-month moving averag ...



2. Sales for the past 12 months at Bell, Inc. are given below.a. Use a three-month moving average to forecast the sales for the months May through December.
b. Use a four-month moving ave

2. Sales for the past 12 months at Bell, Inc. are given below. a. Use a three-month moving average to forecast the sales for the months May through December. b. Use a four-month moving average to forecast the sales for the months May through December. c. Compare the performance of the two methods by using the bias and MAD as the performance criterion. Which method do you recommend?


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Answer:Moving Average is given by:Moving Average = (At-1 + At-2 + .... + At-n) / nTherefore:a. Use a three-month moving average to forecast the sales
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