The accompanying table provides the sales data for JD Inc. for the year 1998. Given a 0.2, p=0.15, and y = 0.05, using an appropriate Holt-Winters trend model, calculate the value of the mean absolute percentage error for the given data. Round to two decimal places. (Hint: Use an additive Holt-Winters model.) Click the icon to view the sales data. A. 384.83 B. 8.10 C. 7.21 OD. 330.01. Sales Data Umbrella Sales of JD Inc. Year Month Units 1 Jan 3980 1 Feb 4000 1 Mar 4740 1 April 4720 1 May 4920 Jun 5140 July 4840 Aug 4520 Sep 4480 Oct 4690 Nov 4210 Dec 4418 Jan 4380 2 Feb 4400 Mar 5140 April 5120 May 5320 Jun 5540 July 5040 Aug 4920 Sep 4880 Oct 5090 Nav 4810 Dec 4818 Print Done
The accompanying table provides the sales data for JD Inc. for the year 1998. Given a 0.2, p=0.15, and y = 0.05, using an appropriate Holt-Winters trend model, calculate the value of the mean absolute percentage error for the given data. Round to two decimal places. (Hint: Use an additive Holt-Winters model.) Click the icon to view the sales data. A. 384.83 B. 8.10 C. 7.21 OD. 330.01. Sales Data Umbrella Sales of JD Inc. Year Month Units 1 Jan 3980 1 Feb 4000 1 Mar 4740 1 April 4720 1 May 4920 Jun 5140 July 4840 Aug 4520 Sep 4480 Oct 4690 Nov 4210 Dec 4418 Jan 4380 2 Feb 4400 Mar 5140 April 5120 May 5320 Jun 5540 July 5040 Aug 4920 Sep 4880 Oct 5090 Nav 4810 Dec 4818 Print Done
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The accompanying table provides the sales data for JD Inc. for the year 1998. Given a 0.2, p=0.15, and y = 0.05, using an appropriate Holt-Winters trend model, calculate the value of the mean absolute percentage error for the given data. Round to two decimal places.
(Hint: Use an additive Holt-Winters model.)
Click the icon to view the sales data.
A. 384.83
B. 8.10
C. 7.21
OD. 330.01.
Sales Data
Umbrella Sales of JD Inc.
Year
Month
Units
1
Jan
3980
1
Feb
4000
1
Mar
4740
1
April
4720
1
May
4920
Jun
5140
July
4840
Aug
4520
Sep
4480
Oct
4690
Nov
4210
Dec
4418
Jan
4380
2
Feb
4400
Mar
5140
April
5120
May
5320
Jun
5540
July
5040
Aug
4920
Sep
4880
Oct
5090
Nav
4810
Dec
4818
Print
Done
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