Homework Week6

The following table lists country code and the order to remittance (OTR) time for a firm’s software installations for the last 76 installations (from first to last). OTR is the time it takes after an order is received until the system is installed and payment is received (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.

Country Code and OTR Cycle Time for Software Systems Installation

Using the data in the table above, answer the following questions in a Word document and submit:

  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?

Homework

The following table lists country code and the order to remittance (OTR) time for a firm’s software installations for the last 76 installations (from first to last). OTR is the time it takes after an order is received until the system is installed and payment is received (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.

Country Code and OTR Cycle Time for Software Systems Installation
Country CodeCycle TimeCountry CodeCycle Time
120529
124640
1467157
126819
1438524
115181
115753
1723726
131128
131134
664134
529750
544152
132119
115144
71114150
714729
1891723
1741679
7411713
136632
843761
1721842
828846
718788
8471424
62677
647133
595129
7421741
551743
6271442
6271442
133753
744753
121748
122521
150119

Using the data in the table above, answer the following questions in a Word document and submit:

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?

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