MAT 510 – Homework Assignment 5
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Homework Assignment 5
Due in Week 6 and worth 30 points
The data in below table lists
country code and the order to remittance (OTR) time for hardware / software
installations for the last 76 installations (from first to last). OTR is the
time it takes from an order being placed until the system is installed and we
receive payment (remittance). Because this company does business
internationally, it also notes the country of installation using a country
code. This code is listed in the first column.
Table: Country Code and OTR Cycle
Time for Software Systems Installation
|
Country Code
|
Cycle Time
|
Country Code
|
Cycle Time
|
|
1
|
20
|
5
|
29
|
|
1
|
24
|
6
|
40
|
|
1
|
46
|
7
|
157
|
|
1
|
26
|
8
|
19
|
|
14
|
38
|
5
|
24
|
|
1
|
15
|
1
|
81
|
|
1
|
15
|
7
|
53
|
|
17
|
23
|
7
|
26
|
|
1
|
31
|
1
|
28
|
|
1
|
31
|
1
|
34
|
|
6
|
64
|
1
|
34
|
|
5
|
29
|
7
|
50
|
|
5
|
44
|
1
|
52
|
|
1
|
32
|
1
|
19
|
|
1
|
15
|
1
|
44
|
|
7
|
11
|
14
|
150
|
|
7
|
14
|
7
|
29
|
|
1
|
89
|
17
|
23
|
|
17
|
41
|
6
|
79
|
|
7
|
41
|
17
|
13
|
|
1
|
36
|
6
|
32
|
|
8
|
43
|
7
|
61
|
|
17
|
21
|
8
|
42
|
|
8
|
28
|
8
|
46
|
|
7
|
18
|
7
|
88
|
|
8
|
47
|
14
|
24
|
|
6
|
26
|
7
|
7
|
|
6
|
47
|
1
|
33
|
|
5
|
9
|
5
|
129
|
|
7
|
42
|
17
|
41
|
|
5
|
5
|
17
|
43
|
|
6
|
27
|
14
|
42
|
|
6
|
27
|
14
|
42
|
|
1
|
33
|
7
|
53
|
|
7
|
44
|
7
|
53
|
|
1
|
21
|
7
|
48
|
|
1
|
22
|
5
|
21
|
|
1
|
50
|
1
|
19
|
Use the date in table above and
answer the following questions in the space provided below:
- Does the OTR time appear to be stable? Why or why not?
- If you were to use a control chart to evaluate
stability, which chart would you use? Why?
- What can you learn about the distribution of the
installation process?
- Does it appear that the country has an impact on
installation time? Why or why not?
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