week 3 Homework

Please see attached

The following table lists country code and the order to remittance (OTR) time for a firm’s software installations for the last

7

6

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

Cycle Time

1

1

5

24

1

1

1

15

7

7

26

1

1

1

31

1

1

34

29

7

5

1

1

1

19

1

15

1

44

14

7

14

7

29

1

17

23

6

7

41

17

1

6

32

7

17

8

8

28

8

46

7

7

8

14

24

6

26

7

7

6

47

1

5

5

7

42

17

41

5

5

17

43

6

14

42

6

27

14

42

1

33

7

53

7

44

7

53

1

21

7

1

5

21

1

50

1

19

Country Code and OTR Cycle Time for Software Systems Installation
	Country Code		Cycle Time
													1	20					5			2 9
										1			24			6	40
	46												7	15 7
		26			8			19
					14	38
		15	81
		53
				17		23
	31		28
	34
				6	64
			5		50
		44	52
	32
					7	11	150
89
	17			41	79
13
36
		8		43	61
		21				42
18	88
	47
	33
9	129
	27
48
22

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?