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STATISTICAL PROCESS
The Deming Paradigm and Beyond
SECOND EDITION
© 2002 by Chapman & Hall/CRC
CONTROL
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STATISTICAL PROCESS
The Deming Paradigm and Beyond
SECOND EDITION
James R. Thompson
Jacek Koronacki
CHAPMAN & HALL/CRC
A CRC Press Company
Boca Raton London New York Washington, D.C.
© 2002 by Chapman & Hall/CRC
CONTROL
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Library of Congress Cataloging-in-Publication Data
Thompson, James R., 1938-
Statistical process control: the Deming paradigm and beyond / James R. Thompson, Jacek
Koronacki.—2nd ed.
p. cm.
Includes bibliographical references and index.
ISBN 1-58488-242-5 (alk. paper)
1. Process control—Statistical methods. 2. Production management—Quality control. I.
Koronacki, Jacek. II. Title.
TS156.8 .T55 2001
658.5
015195—dc21
2001043990
This book contains information obtained from authentic and highly regarded sources. Reprinted material
is quoted with permission, and sources are indicated. A wide variety of references are listed. Reasonable
efforts have been made to publish reliable data and information, but the author and the publisher cannot
assume responsibility for the validity of all materials or for the consequences of their use.
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Visit the CRC Press Web site at www.crcpress.com
© 2002 by Chapman & Hall/CRC
No claim to original U.S. Government works
International Standard Book Number 1-58488-242-5
Library of Congress Card Number 2001043990
Printed in the United States of America 1 2 3 4 5 6 7 8 9 0
Printed on acid-free paper
© 2002 by Chapman & Hall/CRC
62
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To my wife, Ewa Majewska Thompson
James R. Thompson
To my wife, Renata Houwald Koronacka and to my children,
Urszula and Krzysztof
Jacek Koronacki
© 2002 by Chapman & Hall/CRC
Contents
Preface to First Edition
ix
Preface to Second Edition
xix
1 Statistical Process Control: A Brief Overview
1
1.1. Introduction
1
1.2. Quality Control: Origins, Misperceptions
3
1.3. A Case Study in Statistical Process Control
6
1.4. If Humans Behaved Like Machines
9
1.5. Pareto’s Maxim
10
1.6. Deming’s Fourteen Points
14
1.7. QC Misconceptions, East and West
18
1.8. White Balls, Black Balls
20
1.9. The Basic Paradigm of Statistical Process Control
32
1.10. Basic Statistical Procedures in Statistical Process Control
33
1.11. Acceptance Sampling
39
1.12. The Case for Understanding Variation
41
1.13. Statistical Coda
45
References
47
Problems
48
2 Acceptance-Rejection SPC
53
2.1. Introduction
53
2.2. The Basic Test
55
2.3. Basic Test with Equal Lot Size
58
2.4. Testing with Unequal Lot Sizes
63
2.5. Testing with Open-Ended Count Data
67
Problems
71
3 The Development of Mean and Standard Deviation Control
Charts
75
3.1. Introduction
75
3.2. A Contaminated Production Process
77
3.3. Estimation of Parameters of the “Norm” Process
81
3.4. Robust Estimators for Uncontaminated Process Parameters
90
3.5. A Process with Mean Drift
95
v
© 2002 by Chapman & Hall/CRC
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