The accompanying dataset provides data on the monthly usage of natural gas (in millions of cubic feet) for a certain region over two years. Implement the Holt-Winters multiplicative seasonality model with no trend to find the forecast for periods 13-26, where α=0.6and γ=0.9. Then find the MAD for periods 13-24. Use the Holt-Winters multiplicative seasonality model with no trend to find the forecast for periods 13-18, periods 19-24, and then for periods 25 and 26. (Type integers or decimals rounded to two decimal places as needed.) Period Forecast 13 enter your response here 14 enter your response here 15 enter your response here 16 enter your response here 17 enter your response here 18 enter your response here Month Period Gas Usage Jan 1 250 Feb 2 234 Mar 3 149 Apr 4 140 May 5 54 Jun 6 33 Jul 7 31 Aug 8 28 Sep 9 29 Oct 10 40 Nov 11 89 Dec 12 195 Jan 13 234 Feb 14 242 Mar 15 253 Apr 16 137 May 17 35 Jun 18 32 Jul 19 26 Aug 20 25 Sep 21 29 Oct 22 38 Nov 23 83 Dec 24 192
The accompanying dataset provides data on the monthly usage of natural gas (in millions of cubic feet) for a certain region over two years. Implement the Holt-Winters multiplicative seasonality model with no trend to find the forecast for periods 13-26, where α=0.6and γ=0.9. Then find the MAD for periods 13-24. Use the Holt-Winters multiplicative seasonality model with no trend to find the forecast for periods 13-18, periods 19-24, and then for periods 25 and 26. (Type integers or decimals rounded to two decimal places as needed.) Period Forecast 13 enter your response here 14 enter your response here 15 enter your response here 16 enter your response here 17 enter your response here 18 enter your response here Month Period Gas Usage Jan 1 250 Feb 2 234 Mar 3 149 Apr 4 140 May 5 54 Jun 6 33 Jul 7 31 Aug 8 28 Sep 9 29 Oct 10 40 Nov 11 89 Dec 12 195 Jan 13 234 Feb 14 242 Mar 15 253 Apr 16 137 May 17 35 Jun 18 32 Jul 19 26 Aug 20 25 Sep 21 29 Oct 22 38 Nov 23 83 Dec 24 192
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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Question
7, The accompanying dataset provides data on the monthly usage of natural gas (in millions of cubic feet) for a certain region over two years. Implement the Holt-Winters multiplicative seasonality model with no trend to find the
Use the Holt-Winters multiplicative seasonality model with no trend to find the forecast for periods 13-18, periods 19-24, and then for periods 25 and 26.
(Type integers or decimals rounded to two decimal places as needed.)
|
Period
|
Forecast
|
|---|---|
|
13
|
enter your response here
|
|
14
|
enter your response here
|
|
15
|
enter your response here
|
|
16
|
enter your response here
|
|
17
|
enter your response here
|
|
18
|
enter your response here
|
|
Month
|
Period
|
Gas Usage
|
|
|---|---|---|---|
|
Jan
|
1
|
250
|
|
|
Feb
|
2
|
234
|
|
|
Mar
|
3
|
149
|
|
|
Apr
|
4
|
140
|
|
|
May
|
5
|
54
|
|
|
Jun
|
6
|
33
|
|
|
Jul
|
7
|
31
|
|
|
Aug
|
8
|
28
|
|
|
Sep
|
9
|
29
|
|
|
Oct
|
10
|
40
|
|
|
Nov
|
11
|
89
|
|
|
Dec
|
12
|
195
|
|
|
Jan
|
13
|
234
|
|
|
Feb
|
14
|
242
|
|
|
Mar
|
15
|
253
|
|
|
Apr
|
16
|
137
|
|
|
May
|
17
|
35
|
|
|
Jun
|
18
|
32
|
|
|
Jul
|
19
|
26
|
|
|
Aug
|
20
|
25
|
|
|
Sep
|
21
|
29
|
|
|
Oct
|
22
|
38
|
|
|
Nov
|
23
|
83
|
|
|
Dec
|
24
|
192
|
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