The accompanying dataset shows the monthly number of new car sales in the last three years. Develop a multiple regression model with categorical variables that incorporate seasonality for forecasting sales. Click the icon to view the new car sales data. Develop a multiple regression model with categorical variables that incorporate seasonality for forecasting sales, where December is the reference month. Jun Jul Aug Sep ( •Oct+). Nov Units Feb Mar Apr May Year Jan (Round to the nearest integer as needed.)

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The accompanying dataset shows the monthly number of new car sales in the last three years. Develop a multiple regression model with categorical variables that
incorporate seasonality for forecasting sales.
Click the icon to view the new car sales data.
Develop a multiple regression model with categorical variables that incorporate seasonality for forecasting sales, where December is the reference month.
Sep Oct Nov
+
Units
Year Jan
(Round to the nearest integer as needed.)
Feb (
Mar + (-Apr + () May+Jun+Jul+Aug
D
E
C
B
Year
Units
1
Month
2
Jan
3
Feb
4 Mar
5
Apr
6
May
7
Jun
8 Jul
9 Aug
10 Sep
11 Oct
12 Nov
13 Dec
14 Jan
15 Feb
16 Mar
17 Apr
18 May
19 Jun
20 Jul
21 Aug
22 Sep
23 Oct
24 Nov
25 Dec
26 Jan
27 Feb
28 Mar
29 Apr
30 May
31 Jun
32 Jul
33 Aug
34 Sep
35 Oct
36 Nov
37 Dec
38
39
40
41
42
43
1
39786
1
40064
1
47416
1
47273
1
49187
1
51455
1
46442
1
45184
1
44776
1
46965
1
42137
1
44162
2
42203
2
45398
2
54051
2
50902
2
53548
2
54896
2
54425
2
56058
2
52153
2 50063
2
48489
2
49254
3
48110
3
54860
3
61040
3
53326
3
59443
3
59346
3
55060
3
59325
3
54448
3
53140
3
48769
3
46932
Transcribed Image Text:The accompanying dataset shows the monthly number of new car sales in the last three years. Develop a multiple regression model with categorical variables that incorporate seasonality for forecasting sales. Click the icon to view the new car sales data. Develop a multiple regression model with categorical variables that incorporate seasonality for forecasting sales, where December is the reference month. Sep Oct Nov + Units Year Jan (Round to the nearest integer as needed.) Feb ( Mar + (-Apr + () May+Jun+Jul+Aug D E C B Year Units 1 Month 2 Jan 3 Feb 4 Mar 5 Apr 6 May 7 Jun 8 Jul 9 Aug 10 Sep 11 Oct 12 Nov 13 Dec 14 Jan 15 Feb 16 Mar 17 Apr 18 May 19 Jun 20 Jul 21 Aug 22 Sep 23 Oct 24 Nov 25 Dec 26 Jan 27 Feb 28 Mar 29 Apr 30 May 31 Jun 32 Jul 33 Aug 34 Sep 35 Oct 36 Nov 37 Dec 38 39 40 41 42 43 1 39786 1 40064 1 47416 1 47273 1 49187 1 51455 1 46442 1 45184 1 44776 1 46965 1 42137 1 44162 2 42203 2 45398 2 54051 2 50902 2 53548 2 54896 2 54425 2 56058 2 52153 2 50063 2 48489 2 49254 3 48110 3 54860 3 61040 3 53326 3 59443 3 59346 3 55060 3 59325 3 54448 3 53140 3 48769 3 46932
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