Find the simple exponential smoothing forecast for all the 20 weeks and also forecast the demand for 21" week. Assume a=0.2 and F, 21. (Round to two decimals)

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Maria Exports Limited is a major garment export house based on China. The sales figures (in
1000 units) of a particular garment during the past 20 weeks are given in table below.
23.04
21.94
23.94
Week
1
23.68
2
3
4
5
6
7
8
9
10
35557548
11
12
13
14
15
16
17
18
19
20
Demand
21
24
18
22
27
23
Find the simple exponential smoothing forecast for all the 20 weeks and also forecast the
demand for 21" week. Assume a = 0.2 and F₁ = 21. (Round to two decimals)
21
25
27
18
19
22
26
24
17
21
29
27
23
25
Transcribed Image Text:Maria Exports Limited is a major garment export house based on China. The sales figures (in 1000 units) of a particular garment during the past 20 weeks are given in table below. 23.04 21.94 23.94 Week 1 23.68 2 3 4 5 6 7 8 9 10 35557548 11 12 13 14 15 16 17 18 19 20 Demand 21 24 18 22 27 23 Find the simple exponential smoothing forecast for all the 20 weeks and also forecast the demand for 21" week. Assume a = 0.2 and F₁ = 21. (Round to two decimals) 21 25 27 18 19 22 26 24 17 21 29 27 23 25
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