Hudson Marine provides boats sales, service, and maintenance. Boat trailers are one of its top sales items. Suppose the quarterly sales values for the seven years of historical data are as follows. Do not round intermediate calculations Year Quarter 1 Quarter 2 Q3 Q4 Total yearly sales 1 7 13 10 4 34 2 12 20 14 5 51 3 16 28 21 13 78 4 19 29 26 20 94 5 20 32 26 20 98 6 26 35 31 22 114 7 30 39 37 28 134 Questions i need help with are in the images
Hudson Marine provides boats sales, service, and maintenance. Boat trailers are one of its top sales items. Suppose the quarterly sales values for the seven years of historical data are as follows. Do not round intermediate calculations Year Quarter 1 Quarter 2 Q3 Q4 Total yearly sales 1 7 13 10 4 34 2 12 20 14 5 51 3 16 28 21 13 78 4 19 29 26 20 94 5 20 32 26 20 98 6 26 35 31 22 114 7 30 39 37 28 134 Questions i need help with are in the images
MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
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Hudson Marine provides boats sales, service, and maintenance. Boat trailers are one of its top sales items. Suppose the quarterly sales values for the seven years of historical data are as follows. Do not round intermediate calculations
Year | Quarter 1 | Quarter 2 | Q3 | Q4 | Total yearly sales | |||
1 | 7 | 13 | 10 | 4 | 34 | |||
2 | 12 | 20 | 14 | 5 | 51 | |||
3 | 16 | 28 | 21 | 13 | 78 | |||
4 | 19 | 29 | 26 | 20 | 94 | |||
5 | 20 | 32 | 26 | 20 | 98 | |||
6 | 26 | 35 | 31 | 22 | 114 | |||
7 | 30 | 39 | 37 | 28 | 134 |
Questions i need help with are in the images
![c. Compute the seasonal indexes for the four quarters (to 3 decimals).
Adjusted Seasonal Index
Quarter
1
2
3
d. When does Hudson Marine experience the largest seasonal effect?
Hudson Marine experiences the largest seasonal increase in quarter
. The largest seasonal effect is the seasonal decrease in quarter
*](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe74d6049-2a01-4d44-9e4a-fc7729a7b024%2F6c95613d-9c75-4759-877e-f105f01bab84%2Facwfk5c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:c. Compute the seasonal indexes for the four quarters (to 3 decimals).
Adjusted Seasonal Index
Quarter
1
2
3
d. When does Hudson Marine experience the largest seasonal effect?
Hudson Marine experiences the largest seasonal increase in quarter
. The largest seasonal effect is the seasonal decrease in quarter
*
![a. Compute the centered moving average values (first find Four-Quarter Moving Average) for this time series (to 3 decimals).
Centered Moving
Average
t
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23
24
25
26
27
28
Sales
7
13
10
4
12
20
14
5
16
28
21
13
19
29
26
20
20
32
26
20
26
35
31
22
30
39
37
28
**
1:00](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe74d6049-2a01-4d44-9e4a-fc7729a7b024%2F6c95613d-9c75-4759-877e-f105f01bab84%2Fnqhyovg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:a. Compute the centered moving average values (first find Four-Quarter Moving Average) for this time series (to 3 decimals).
Centered Moving
Average
t
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23
24
25
26
27
28
Sales
7
13
10
4
12
20
14
5
16
28
21
13
19
29
26
20
20
32
26
20
26
35
31
22
30
39
37
28
**
1:00
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