Assessment Brief
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
21
5
28
1
15
6
39
1
45
7
164
1
25
8
20
14
40
5
25
1
14
1
83
1
14
7
55
17
24
7
27
1
30
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1
29
1
30
1
35
6
66
1
37
5
28
7
53
5
45
1
51
1
33
1
18
1
14
1
46
7
12
14
154
7
13
7
30
1
90
17
22
17
40
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6
81
7
40
17
12
1
37
6
33
8
44
7
63
17
20
8
44
8
30
8
45
7
15
7
89
8
50
14
23
6
25
7
6
6
48
1
35
5
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9
5
133
7
43
17
39
5
6
17
44
6
26
14
41
6
26
14
41
1
35
7
52
7
46
7
54
1
19
7
48
1
26
5
20
1
51
1
15
Use the date in table above and answer the
following questions in the space provided below:
1.
Does
the OTR time appear to be stable? Why or
why not?
2.
If
you were to use a control chart to evaluate stability, which chart would you
use? Why?
3.
What
can you learn about the distribution of the installation process?
4.
Does
it appear that the country has an impact on installation time? Why or why not?
