The last seven weeks of demand at a new car dealer are shown below.Use a three-period weighted-moving average to determine a forecast for the 8th week using weights of 1,2,and 3.Calculate the MAD for this forecast.What does the MAD indicate?
Week Sales
1 25
2 30
3 27
4 31
5 27
6 29
7 30

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The Answer of The last seven weeks of demand at a new car dealer are shown below.Use a three-period weighted-moving average to determine a forecast for the 8th week using weights of 1,2,and 3.Calculate the MAD for this forecast.What does the MAD indicate?
Week Sales
1 25
2 30
3 27
4 31
5 27
6 29
7 30

The Last Seven Weeks of Demand at a New Car