t 1 JULE SITE 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Sales 7 13 10 4 10 20 16 8 15 26 24 12 18 30 23 20 24 36 30 21 24 36 29 22 30 41 36 25 Centered Moving Average 13

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question
100%

b. Compute the seasonal indexes for the four quarters (to 3 decimals).

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
1
2
3
4
5
6
7
Quarter 1 Quarter 2
7
13
10
15
18
24
24
30
20
26
30
36
36
41
Quarter 3
10
16
24
23
30
29
36
Quarter 4
4
8
12
20
21
22
25
Total Yearly
Sales
34
54
77
91
111
111
132
Transcribed Image Text: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 1 2 3 4 5 6 7 Quarter 1 Quarter 2 7 13 10 15 18 24 24 30 20 26 30 36 36 41 Quarter 3 10 16 24 23 30 29 36 Quarter 4 4 8 12 20 21 22 25 Total Yearly Sales 34 54 77 91 111 111 132
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
22
23
24
25
26
27
28
Sales
7
13
10
4
10
20
16
8
15
26
24
12
18
30
23
20
24
36
30
21
24
36
29
22
30
41
36
25
13
***
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 22 23 24 25 26 27 28 Sales 7 13 10 4 10 20 16 8 15 26 24 12 18 30 23 20 24 36 30 21 24 36 29 22 30 41 36 25 13 ***
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON