Based on the following demand data, Glass Inc Company performs double exponentialsmoothing.Period1180Demand234567125150146155149154150Assume the value a = 0.1, B = 0.15 Also assume the initial forecast value Fo = 135, Go = 20.Use double exponential smoothing.a. Find the following forecast values.F3 =F4 =Fs =F6 =b. Find the following if F1 = 145 and a = 0.2.F2,5 =F7,10 =c. Find the forecast error of first 6 values, then find MAD using these values.ej =e2 =ez =e4 =es =e6 =MAD =

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Based on the following demand data, Glass Inc Company performs double exponential smoothing.

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Question

Based on the following demand data, Glass Inc Company performs double exponential
smoothing.
Period
1
180
Demand
2
3
4
5
6
7
125
150
146
155
149
154
150
Assume the value a = 0.1, B = 0.15 Also assume the initial forecast value Fo = 135, Go = 20.
Use double exponential smoothing.
a. Find the following forecast values.
F3 =
F4 =
Fs =
F6 =
b. Find the following if F1 = 145 and a = 0.2.
F2,5 =
F7,10 =
c. Find the forecast error of first 6 values, then find MAD using these values.
ej =
e2 =
ez =
e4 =
es =
e6 =
MAD =

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