Does the data for march appear to be in control

Assignment Help Microeconomics
Reference no: EM131597640

Additional Case Study Assignment: Green River Chemical Company

Green River Chemical Company customers have complained regarding the sulfate content of the company's product. Every customer allows some sulfate content, but theoretically there should be none. The usual customer specification is 90 parts per million (PPM) sulfate.

The quality control department at Green River feels that there is no problem with sulfate content, which has been averaging just over 50 PPM. The production department estimates that a substantial investment would be required to lower the amount of this contaminant. These two departments, after consulting with the marketing department and customers, suggest that a control chart be set up to monitor sulfate content. Five samples will be tested per day and plotted as one point on the chart.

Use the data in Table 1 to set up the control limits. Then, after the limits are in place for this process, use Table 2 to determine whether or not the process remains in control for the week of April 6-10.

TABLE 1 Original Green River Chemical Company data

Date

1

2

3

4

5

X

R

 

March

2

57

54

62

45

36

50.8

26

3

56

54

47

42

62

52.2

20


4

40

70

58

45

44

51.4

30


5

52

58

40

52

46

49.6

18


6

57

42

52

58

59

53.6

17


9

62

49

42

33

55

48.2

29


10

40

39

49

59

48

47.0

20


11

64

50

42

57

50

52.6

22


12

58

53

52

48

50

52.2

10


13

60

50

41

41

50

48.4

19


16

52

47

48

58

40

49.0

18


17

55

40

56

49

45

49.0

16


18

47

48

50

50

48

48.6

3


19

50

50

49

51

51

50.2

2

 

20

51

50

51

51

62

53.0

12

 

23

51

50

49

50

50

50.0

2

 

24

45

47

70

46

36

48.8

34

 

25

50

35

48

39

47

43.8

15

 

26

55

70

50

30

51

51.2

40

 

27

49

38

64

36

47

46.8

28

 

30

59

62

40

54

64

55.8

24

 

31

36

33

49

48

56

44.4

23

 

April

1

50

67

53

43

40

50.6

27

2

44

52

46

47

44

46.6

8


3

70

45

50

47

41

50.6

29


TABLE 2 Data for week of April 6-10

Date

1

2

3

4

5

 

April

6

63

49

50

45

53

7

57

70

45

52

61


8

45

38

46

54

52


9

48

52

39

57

61


10

45

53

48

46

66


Discussion Question

1. Does the process remain in control? Does the data for March appear to be in control?

Reference no: EM131597640

Questions Cloud

Calculate tax paid on gain on disposal : Genetic Insights Co. purchases an asset for $11,111. This asset qualifies as a seven-year recovery asset under MACRS. Calculate tax paid on gain on disposal.
Competitive hospital beginning next year : Your hospital has just been told that all of your cardiovascular surgeons are transferring their practice to a competitive hospital beginning next year.
Steps of integrative social contracts theory : Using the steps of integrative social contracts theory (ISCT) and B. Hamilton, S. Knouse, and V. Hill (HKH - University of Louisiana professors).
Registry and results database of publicly : The Clinical Trials website is a registry and results database of publicly and privately supported clinical studies of human participants conducted.
Does the data for march appear to be in control : Additional Case Study Assignment: Green River Chemical Company. Does the process remain in control? Does the data for March appear to be in control?
Policy for making both the hiring and promotional decisions : Imagine that you are the HR Director at your current organization or an organization with which you are familiar.
What are the elements of sustainable aquaculture : What are the elements of sustainable aquaculture? Will the growth of aquaculture predicted by the FAO Report alleviate some of the pressure on wild fish.
Discuss three primary threats to marine fisheries : Discuss three primary threats to marine fisheries. Do you think that Carl Safina's suggestions would work to address these issues? Why, or why not?
Necessary part of global sustainable development : Do you think that organic agriculture is a necessary part of global sustainable development? Can conventional or high-tech agriculture be sustainable?

Reviews

Write a Review

Microeconomics Questions & Answers

  The free rider problem

Question: Explain why the free rider problem makes it difficult for perfectly competitive markets to provide the Pareto efficient level of a public good.

  Failure of the super committee is good thing for economy

Some commentators have argued that the failure of the “Super committee” is good thing for the economy?  Do you agree?

  Case study analysis about optimum resource allocation

Case study analysis about optimum resource allocation: -  Why might you suspect (even without evidence) that the economy might not be able to produce all the schools and clinics the Ministers want? What constraints are there on an economy's productio..

  Fixed cost and vairiable cost

Questions:  :   Which of the following are likely to be fixed costs and which variable costs for a chocolate factory over the course of a month?  Explain your choice.

  Problem - total cost, average cost, marginal cost

Problem - Total Cost, Average Cost, Marginal Cost: -  Complete the following table of costs for a firm.  (Note: enter the figures in the  MC   column  between  outputs of  0 and 1, 1 and 2, 2 and 3, etc.)

  Oligopoly and demand curve problem

Problem based on Oligopoly and demand curve,  Draw and explain the demand curve facing each firm, and given this demand curve, does this mean that firms in the jeans industry do or do not compete against one another?

  Impact of external costs on resource allocation

Explain the impact of external costs and external benefits on resource allocation;  Why are public goods not produced in sufficient quantities by private markets?  Which of the following are examples of public goods (or services)? Delete the incorrec..

  Shifts in demand and movements along the demand curve

Describe the differences between shifts in demand and movements along the demand curve. What are the main factors which can shift the demand curve? Explain why they cause the demand curve to shift. Use examples and draw graphs to support your discuss..

  Article review question

Article Review Question: Read the following excerpts from the article "Fruit, veg costs surge' by Todd, Dagwell, published in the Herald on January 25th 2011 and answer questions below:

  Long-term growth, international trade & globalization

Long-term Growth, International Trade & Globalization:- This question deals with concepts such as long-term growth, international trade and globalization. Questions related to trade deficit, trade surplus, gains from trade, an international trade sce..

  European monetary union (emu) in crisis

"Does the economic bailout of Spain and Greece spell the beginning of the end for the European Monetary Union (EMU)?"

  Development game “settlers of catan”

Read the rules of the game, the overview and the almanac for the Development Game "Settlers of Catan"

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd