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Statistical Quality Control, 7th Edition by Douglas C. Montgomery.

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Presentation on theme: "Statistical Quality Control, 7th Edition by Douglas C. Montgomery."— Presentation transcript:

1 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

2 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

3 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

4 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

5 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

6 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

8 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

9 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

10 Design of the Fraction Nonconforming Chart
Three parameters must be specified The sample size The frequency of sampling The width of the control limits Common to base chart on 100% inspection of all process output over time Rational subgroups may also play role in determining sampling frequency Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

11 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

12 The np Control chart – based on the number nonconforming
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

13 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

14 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

15 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

16 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

17 Average sample size approach
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

18 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

19 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

20 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

21 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

22 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

23 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

24 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

25 Average run lengths (ARLs)
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

26 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

27 7.3 Control Charts for Nonconformities (Defects)
A nonconforming unit does not satisfy one or more of the specifications Each point where a specification is not satisfied is a defect or nonconformity Nonconforming units contain at least one nonconformity However, units with defects are not necessarily nonconforming It is often useful to work directly with the number of defects Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

28 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

29 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

30 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

31 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

32 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

33 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

34 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

35 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

36 Cause and Effect Diagram
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

37 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

38 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

39 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

40 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

41 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

42 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

43 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

44 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

45 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

46 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

47 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

48 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

49 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

50 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

51 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

52 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

53 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

54 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

55 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

56 Low Defect Levels Chapter 7
Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

57 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

58 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

59 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

60 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

61 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

62 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

63 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

64 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

65 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

66 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

67 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

68 Actions taken to improve a process
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

69 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.

70 Statistical Quality Control, 7th Edition by Douglas C. Montgomery.
Chapter 7 Statistical Quality Control, 7th Edition by Douglas C. Montgomery. Copyright (c) 2013  John Wiley & Sons, Inc.


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