Hudson Marine has been an authorized dealer for C&D marine radios for the past seven years. Suppose the quarterly sales values for the seven years of historical data are as follows. Total Yearly Sales Year Quarter 1 Quarter 2 Quarter 3 Quarter 4 1 8 17 11 3 39 2 11 20 17 56 3 13 27 24 10 74 4 19 27 23 17 86 5 22 34 30 21 107 6 25 37 28 21 111 7 27 40 33 29 129 a. Compute the centered moving average values (Four-Quarter Moving Average) for this time series (to 3 decimals). Centered Moving t Sales Average 1 8 2 17 3 11 36.750 4 3 5 11 6 20 7 17 8 8 9 10 11 24 324 13 27 ×

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Hudson Marine has been an authorized dealer for C&D marine radios for the past seven years. Suppose the quarterly sales values for the seven years of historical data are as follows.
Total Yearly
Sales
Year
Quarter 1
Quarter 2
Quarter 3
Quarter 4
1
8
17
11
3
39
2
11
20
17
56
3
13
27
24
10
74
4
19
27
23
17
86
5
22
34
30
21
107
6
25
37
28
21
111
7
27
40
33
29
129
a. Compute the centered moving average values (Four-Quarter Moving Average) for this time series (to 3 decimals).
Centered Moving
t
Sales
Average
1
8
2
17
3
11
36.750
4
3
5
11
6
20
7
17
8
8
9
10
11
24
324
13
27
×
Transcribed Image Text:Hudson Marine has been an authorized dealer for C&D marine radios for the past seven years. Suppose the quarterly sales values for the seven years of historical data are as follows. Total Yearly Sales Year Quarter 1 Quarter 2 Quarter 3 Quarter 4 1 8 17 11 3 39 2 11 20 17 56 3 13 27 24 10 74 4 19 27 23 17 86 5 22 34 30 21 107 6 25 37 28 21 111 7 27 40 33 29 129 a. Compute the centered moving average values (Four-Quarter Moving Average) for this time series (to 3 decimals). Centered Moving t Sales Average 1 8 2 17 3 11 36.750 4 3 5 11 6 20 7 17 8 8 9 10 11 24 324 13 27 ×
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