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

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
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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 =
Transcribed Image Text: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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