Introduction to Basic Statistical Methodology. CHAPTER 1 ~ Introduction ~
Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9...
Transcript of Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9...
![Page 1: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/1.jpg)
Chapter 9 1Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 2: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/2.jpg)
Chapter 9 2Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 3: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/3.jpg)
Learning ObjectivesLearning Objectives
Chapter 9 3Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 4: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/4.jpg)
9.1 The Cumulative Sum Control Chart
Chapter 9 4
![Page 5: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/5.jpg)
Chapter 9 5Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 6: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/6.jpg)
The Cumulative Sum Control Chart
Chapter 9 6Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 7: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/7.jpg)
The Tabular Cusum
Chapter 9 7Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 8: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/8.jpg)
Chapter 9 8
![Page 9: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/9.jpg)
Chapter 9 9Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 10: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/10.jpg)
Cusum Status Chart (Figure 9.3a)
Chapter 9 10Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 11: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/11.jpg)
MINITAB Version of Cusum Status Chart
Minitab calculates the lower Cusum this way
Chapter 9 11Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 12: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/12.jpg)
Chapter 9 12Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 13: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/13.jpg)
Recommendations for Cusum Design
Chapter 9 13Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 14: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/14.jpg)
Chapter 9 14Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 15: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/15.jpg)
The Standardized Cusum
Chapter 9 15Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 16: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/16.jpg)
Improving Cusum Performance for Large Shifts: The Combined Shewhart-Cusum Scheme
Chapter 9 16Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 17: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/17.jpg)
The Fast Initial Response (FIR) Cusum
K = 3, H = 12, headstart = H/2 = 6
Chapter 9 17Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 18: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/18.jpg)
H = 12 implies that the cusum signals at sample 3H = 12 implies that the cusum signals at sample 3
Without the headstart, it would not signal until sample 6
Chapter 9 18Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 19: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/19.jpg)
Chapter 9 19Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 20: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/20.jpg)
More on Cusums• Cusums are often used to determine if a process has
shifted off a specified target because it is easy toshifted off a specified target because it is easy to calculate the required adjustment
• One-sided cusums are often usefulO e s ded cusu s e o e use u• Cusums can also be used to monitor variability• Cusums are available for other sample statisticsCusums are available for other sample statistics
(ranges, standard deviations, counts, proportions) • Rational subgroups and cusumsat o a subg oups a d cusu s
Chapter 9 20Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 21: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/21.jpg)
Chapter 9 21Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 22: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/22.jpg)
The Cusum V-Mask
Chapter 9 22Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 23: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/23.jpg)
Chapter 9 23Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 24: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/24.jpg)
Chapter 9 24Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 25: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/25.jpg)
Chapter 9 25Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 26: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/26.jpg)
Chapter 9 26Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 27: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/27.jpg)
Chapter 9 27Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 28: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/28.jpg)
9.2 The Exponentially Weighted Moving l hAverage Control Chart
The EWMA is
Chapter 9 28Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 29: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/29.jpg)
Chapter 9 29Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 30: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/30.jpg)
Steady-state control limits
Chapter 9 30Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 31: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/31.jpg)
Chapter 9 31Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 32: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/32.jpg)
Chapter 9 32Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 33: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/33.jpg)
Chapter 9 33Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 34: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/34.jpg)
Design of the EWMA
Chapter 9 34Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 35: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/35.jpg)
Chapter 9 35Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 36: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/36.jpg)
Chapter 9 36Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 37: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/37.jpg)
Robustness of EWMA toNon-normal Process DataNon-normal Process Data
Chapter 9 37Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 38: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/38.jpg)
Chapter 9 38Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 39: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/39.jpg)
Chapter 9 39Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 40: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/40.jpg)
Extensions of the EWMA• Fast initial response feature
M i i i bili• Monitoring variability• Monitoring count data• The EWMA as a predictor of process level
Chapter 9 40Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 41: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/41.jpg)
9.3 The Moving Average Control Chart
Chapter 9 41Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 42: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/42.jpg)
Chapter 9 42Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copight (c) 2009 John Wiley & Sons, Inc.
![Page 43: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/43.jpg)
Chapter 9 43Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 44: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/44.jpg)
Chapter 9 44Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.
![Page 45: Chapter 9 Introduction to Statistical Quality Control, …ie.sharif.edu/~qc/ch09 rev.pdfChapter 9 Introduction to Statistical Quality Control, ... Chapter 9 Introduction to Statistical](https://reader035.fdocuments.net/reader035/viewer/2022082210/5af5f7177f8b9a92718f96ff/html5/thumbnails/45.jpg)
Learning Objectives
Chapter 9 45Introduction to Statistical Quality Control, 6th Edition by Douglas C. Montgomery.Copyright (c) 2009 John Wiley & Sons, Inc.