a. Use a three-period weighted-moving average forecast to determine a forecast for the 8th week using weights of 3, 2, and 1 (where the most recent week receives the highest weight). (Round all forecasts to the nearest whole unit.) b. Calculate the MAD for this forecast. c. What does the MAD indicate?

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ii.
The last seven weeks of sales at KC car dealership can be seen in Table 2 below.
Table 2
Week
Sales
1
25
|2
30
3
27
4
31
5
27
29
7
30
8
a. Use a three-period weighted-moving average forecast to determine a forecast for the 8th week using
weights of 3, 2, and 1 (where the most recent week receives the highest weight). (Round all forecasts to the
nearest whole unit.)
b. Calculate the MAD for this forecast.
c. What does the MAD indicate?
Transcribed Image Text:ii. The last seven weeks of sales at KC car dealership can be seen in Table 2 below. Table 2 Week Sales 1 25 |2 30 3 27 4 31 5 27 29 7 30 8 a. Use a three-period weighted-moving average forecast to determine a forecast for the 8th week using weights of 3, 2, and 1 (where the most recent week receives the highest weight). (Round all forecasts to the nearest whole unit.) b. Calculate the MAD for this forecast. c. What does the MAD indicate?
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