Homework Assignment 5

The data in the table below 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 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.

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:

  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?

Download the homework below, type your answers into the document and submit it using the Week 6 Homework Assignment 5 – Submit Here link located above.

 
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