A company keeps track of unit sales and notes a strong trend during the past eight periods. They use an adjusted exponential smoothing model with an alpha equal to 0.7 and a beta equal to 0.6
Using the demand data and previous forecasts shown in the table, develop a forecast for period 4.
Week
# Units Unadjusted Forecast
Trend Adjusted Forecast
1 68 65.0 0.0 65.0
2 72 67.1 1.3 68.4
3 80
4 93
5 108
6 121
7 125
8 139
A) 82.2
B) 84.9
C) 87.5
D) 91.6
Answer: A
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