The table below provides the sales data for JD Inc. for the year 1998. Given: a = 0.2, ß = 0.15, and y = 0.05 (Hint: Use an additive Holt-Winters model.) Umbrella Sales of JD Inc. Year Month Units 3980 4000 4740 4720 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 Jan Feb Mar April May Jun Dec July Aug Sep Oct Nov 4210 4418 4380 4400 Mar 5140 April 5120 May 5320 Jun 5540 5040 Jan Feb July Aug Sep Oct Nov 4920 Dec 5140 4640 4520 4480 4690 4920 4880 5090 4610 4818 What is the value of the mean absolute deviation for the given data? A) 7.62 B) 340.73 C) 14.82 D) 8.10

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The table below provides the sales data for JD Inc. for the year 1998. Given: a = 0.2, ß = 0.15, and y = 0.05
(Hint: Use an additive Holt-Winters model.)
Umbrella Sales of JD Inc.
Year Month Units
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
Jan
Feb
Mar
April
May
Jun
July
Aug
Sep
Oct
Nov
Dec
Jan
3980
4520
4480
4690
4210
4418
4380
4400
5140
April 5120
May
5320
Jun
July
Aug
Sep
Oct
Nov
Dec
Feb
Mar
4000
4740
4720
4920
5140
4640
5540
5040
4920
4880
5090
2
2
4818
What is the value of the mean absolute deviation for the given data?
A) 7.62
B) 340.73
C) 14.82
D) 8.10
4610
Transcribed Image Text:The table below provides the sales data for JD Inc. for the year 1998. Given: a = 0.2, ß = 0.15, and y = 0.05 (Hint: Use an additive Holt-Winters model.) Umbrella Sales of JD Inc. Year Month Units 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 Jan Feb Mar April May Jun July Aug Sep Oct Nov Dec Jan 3980 4520 4480 4690 4210 4418 4380 4400 5140 April 5120 May 5320 Jun July Aug Sep Oct Nov Dec Feb Mar 4000 4740 4720 4920 5140 4640 5540 5040 4920 4880 5090 2 2 4818 What is the value of the mean absolute deviation for the given data? A) 7.62 B) 340.73 C) 14.82 D) 8.10 4610
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