|
Quality Improvement in the Modern Business Environment |
|
|
1 | (36) |
|
The Meaning of Quality and Quality Improvement |
|
|
2 | (6) |
|
|
2 | (4) |
|
Quality Engineering Terminology |
|
|
6 | (2) |
|
A Brief History of Quality Control and Improvement |
|
|
8 | (4) |
|
Statistical Methods for Quality Control and Improvement |
|
|
12 | (5) |
|
Other Aspects of Quality Control and Improvement |
|
|
17 | (20) |
|
Quality Philosophy and Management Strategies |
|
|
18 | (7) |
|
The Link between Quality and Productivity |
|
|
25 | (1) |
|
|
26 | (6) |
|
|
32 | (2) |
|
Implementing Quality Improvement |
|
|
34 | (3) |
PART I Statistical Methods Useful in Quality Improvement |
|
37 | (114) |
|
|
39 | (43) |
|
|
40 | (16) |
|
|
40 | (3) |
|
The Frequency Distribution and Histogram |
|
|
43 | (2) |
|
Numerical Summary of Data |
|
|
45 | (3) |
|
|
48 | (1) |
|
|
49 | (2) |
|
Probability Distributions |
|
|
51 | (5) |
|
Important Discrete Distributions |
|
|
56 | (6) |
|
The Hypergeometric Distribution |
|
|
56 | (2) |
|
The Binomial Distribution |
|
|
58 | (2) |
|
|
60 | (1) |
|
The Pascal and Related Distributions |
|
|
61 | (1) |
|
Important Continuous Distributions |
|
|
62 | (12) |
|
|
63 | (6) |
|
The Exponential Distribution |
|
|
69 | (2) |
|
|
71 | (2) |
|
|
73 | (1) |
|
Some Useful Approximations |
|
|
74 | (3) |
|
The Binomial Approximation to the Hypergeometric |
|
|
75 | (1) |
|
The Poisson Approximation to the Binomial |
|
|
75 | (1) |
|
The Normal Approximation to the Binomial |
|
|
75 | (1) |
|
Comments on Approximations |
|
|
76 | (1) |
|
|
77 | (5) |
|
Inferences about Process Quality |
|
|
82 | (69) |
|
Statistics and Sampling Distributions |
|
|
83 | (7) |
|
Sampling from a Normal Distribution |
|
|
85 | (4) |
|
Sampling from a Bernoulli Distribution |
|
|
89 | (1) |
|
Sampling from a Poisson Distribution |
|
|
89 | (1) |
|
Point Estimation of Process Parameters |
|
|
90 | (3) |
|
Statistical Inference for a Single Sample |
|
|
93 | (21) |
|
Inference on the Mean of a Population, Variance Known |
|
|
94 | (4) |
|
The Use of P-Values for Hypothesis Testing |
|
|
98 | (1) |
|
Inference on the Mean of a Normal Distribution, Variance Unknown |
|
|
99 | (4) |
|
Inference on the Variance of a Normal Distribution |
|
|
103 | (2) |
|
Inference on a Population Proportion |
|
|
105 | (2) |
|
The Probability of Type II Error |
|
|
107 | (3) |
|
|
110 | (4) |
|
Statistical Inference for Two Samples |
|
|
114 | (16) |
|
Inference for a Difference in Means, Variances Known |
|
|
114 | (3) |
|
Inference for a Difference in Means of Two Normal Distributions, Variances Unknown |
|
|
117 | (10) |
|
Inference on the Variances of Two Normal Distributions |
|
|
127 | (1) |
|
Inference on Two Population Proportions |
|
|
128 | (2) |
|
What If There Are More Than Two Populations? The Analysis of Variance |
|
|
130 | (12) |
|
|
131 | (2) |
|
|
133 | (7) |
|
Checking Assumptions: Residual Analysis |
|
|
140 | (2) |
|
|
142 | (9) |
PART II Basic Methods of Statistical Process Control and Capability Analysis |
|
151 | (252) |
|
Methods and Philosophy of Statistical Process Control |
|
|
153 | (53) |
|
|
154 | (1) |
|
Chance and Assignable Causes of Quality Variation |
|
|
154 | (2) |
|
Statistical Basis of the Control Chart |
|
|
156 | (21) |
|
|
156 | (8) |
|
|
164 | (2) |
|
Sample Size and Sampling Frequency |
|
|
166 | (4) |
|
|
170 | (2) |
|
Analysis of Patterns on Control Charts |
|
|
172 | (3) |
|
Discussion of Sensitizing Rules for Control Charts |
|
|
175 | (2) |
|
The Rest of the ``Magnificent Seven'' |
|
|
177 | (7) |
|
|
184 | (2) |
|
|
186 | (7) |
|
Nonmanufacturing Applications of Statistical Process Control |
|
|
193 | (8) |
|
|
201 | (5) |
|
Control Charts for Variables |
|
|
206 | (77) |
|
|
207 | (1) |
|
Control Charts for x and R |
|
|
207 | (32) |
|
Statistical Basis of the Charts |
|
|
207 | (5) |
|
Development and Use of x and R Charts |
|
|
212 | (16) |
|
Charts Based on Standard Values |
|
|
228 | (1) |
|
Interpretation of x and R Charts |
|
|
229 | (3) |
|
The Effect of Nonnormality on x and R Charts |
|
|
232 | (1) |
|
The Operating-Characteristic Function |
|
|
233 | (3) |
|
The Average Run Length for the x Chart |
|
|
236 | (3) |
|
Control Charts for x and S |
|
|
239 | (10) |
|
Construction and Operation of x and S Charts |
|
|
239 | (5) |
|
The x and S Control Charts with Variable Sample Size |
|
|
244 | (4) |
|
|
248 | (1) |
|
The Shewhart Control Chart for Individual Measurements |
|
|
249 | (11) |
|
Summary of Procedures for x, R, and S Charts |
|
|
260 | (1) |
|
Applications of Variables Control Charts |
|
|
260 | (5) |
|
|
265 | (18) |
|
Control Charts for Attributes |
|
|
283 | (66) |
|
|
284 | (1) |
|
The Control Chart for Fraction Nonconforming |
|
|
284 | (24) |
|
Development and Operation of the Control Chart |
|
|
286 | (12) |
|
|
298 | (5) |
|
Nonmanufacturing Applications |
|
|
303 | (2) |
|
The Operating-Characteristic Function and Average Run Length Calculations |
|
|
305 | (3) |
|
Control Charts for Nonconformities (Defects) |
|
|
308 | (21) |
|
Procedures with Constant Sample Size |
|
|
308 | (11) |
|
Procedures with Variable Sample Size |
|
|
319 | (3) |
|
|
322 | (2) |
|
The Operating-Characteristic Function |
|
|
324 | (1) |
|
Dealing with Low Defect Levels |
|
|
325 | (3) |
|
Nonmanufacturing Applications |
|
|
328 | (1) |
|
Choice between Attributes and Variables Control Charts |
|
|
329 | (4) |
|
Guidelines for Implementing Control Charts |
|
|
333 | (6) |
|
|
339 | (10) |
|
Process and Measurement System Capability Analysis |
|
|
349 | (54) |
|
|
350 | (2) |
|
Process Capability Analysis Using a Histogram or a Probability Plot |
|
|
352 | (5) |
|
|
352 | (3) |
|
|
355 | (2) |
|
Process Capability Ratios |
|
|
357 | (16) |
|
Use and Interpretation of Cp |
|
|
357 | (5) |
|
Process Capability Ratio for an Off-Center Process |
|
|
362 | (2) |
|
Normality and the Process Capability Ratio |
|
|
364 | (1) |
|
More about Process Centering |
|
|
365 | (2) |
|
Confidence Intervals and Tests on Process Capability Ratios |
|
|
367 | (6) |
|
Process Capability Analysis Using a Control Chart |
|
|
373 | (3) |
|
Process Capability Analysis Using Designed Experiments |
|
|
376 | (1) |
|
Gage and Measurement System Capability Studies |
|
|
377 | (11) |
|
Control Charts and Tabular Methods |
|
|
377 | (7) |
|
Methods Based on Analysis of Variance |
|
|
384 | (4) |
|
Setting Specification Limits on Discrete Components |
|
|
388 | (6) |
|
|
388 | (4) |
|
|
392 | (2) |
|
Estimating the Natural Tolerance Limits of a Process |
|
|
394 | (3) |
|
Tolerance Limits Based on the Normal Distribution |
|
|
395 | (1) |
|
Nonparametric Tolerance Limits |
|
|
396 | (1) |
|
|
397 | (6) |
PART III Other Statistical Process Monitoring and Control Techniques |
|
403 | (166) |
|
Cumulative Sum and Exponentially Weighted Moving Average Control Charts |
|
|
405 | (38) |
|
The Cumulative Sum Control Chart |
|
|
406 | (19) |
|
Basic Principles: The Cusum Control Chart for Monitoring the Process Mean |
|
|
406 | (4) |
|
The Tabular or Algorithmic Cusum for Monitoring the Process Mean |
|
|
410 | (5) |
|
Recommendations for Cusum Design |
|
|
415 | (2) |
|
|
417 | (1) |
|
|
418 | (1) |
|
Improving Cusum Responsiveness for Large Shifts |
|
|
418 | (1) |
|
The Fast Initial Response or Headstart Feature |
|
|
419 | (2) |
|
|
421 | (1) |
|
A Cusum for Monitoring Process Variability |
|
|
421 | (1) |
|
Cusums for Other Sample Statistics |
|
|
422 | (1) |
|
|
423 | (2) |
|
The Exponentially Weighted Moving Average Control Chart |
|
|
425 | (12) |
|
The Exponentially Weighted Moving Average Control Chart for Monitoring the Process Mean |
|
|
426 | (5) |
|
Design of an EWMA Control Chart |
|
|
431 | (1) |
|
|
432 | (1) |
|
Robustness of the EWMA to Nonnormality |
|
|
432 | (1) |
|
|
433 | (4) |
|
The Moving Average Control Chart |
|
|
437 | (3) |
|
|
440 | (3) |
|
Other Univariate Statistical Process Monitoring and Control Techniques |
|
|
443 | (64) |
|
Statistical Process Control for Short Production Runs |
|
|
444 | (5) |
|
x and R Charts for Short Production Runs |
|
|
444 | (3) |
|
Attributes Control Charts for Short Production Runs |
|
|
447 | (1) |
|
|
448 | (1) |
|
Modified and Acceptance Control Charts |
|
|
449 | (5) |
|
Modified Control Limits for the x Chart |
|
|
449 | (4) |
|
Acceptance Control Charts |
|
|
453 | (1) |
|
Control Charts for Multiple-Stream Processes |
|
|
454 | (4) |
|
Multiple-Stream Processes |
|
|
454 | (1) |
|
|
455 | (2) |
|
|
457 | (1) |
|
SPC with Autocorrelated Process Data |
|
|
458 | (20) |
|
Sources and Effects of Autocorrelation in Process Data |
|
|
458 | (4) |
|
|
462 | (11) |
|
|
473 | (5) |
|
Adaptive Sampling Procedures |
|
|
478 | (1) |
|
Economic Design of Control Charts |
|
|
479 | (15) |
|
Designing a Control Chart |
|
|
479 | (1) |
|
|
480 | (1) |
|
|
481 | (1) |
|
Early Work and Semieconomic Designs |
|
|
482 | (2) |
|
An Economic Model of the x Control Chart |
|
|
484 | (9) |
|
|
493 | (1) |
|
Overview of Other Procedures |
|
|
494 | (5) |
|
|
494 | (1) |
|
Control Charts Based on Other Sample Statistics |
|
|
495 | (1) |
|
|
496 | (1) |
|
|
497 | (2) |
|
|
499 | (8) |
|
Multivariate Process Monitoring and Control |
|
|
507 | (39) |
|
The Multivariate Quality Control Problem |
|
|
508 | (2) |
|
Description of Multivariate Data |
|
|
510 | (2) |
|
The Multivariate Normal Distribution |
|
|
510 | (1) |
|
The Sample Mean Vector and Covariance Matrix |
|
|
511 | (1) |
|
The Hotelling T2 Control Chart |
|
|
512 | (14) |
|
|
512 | (10) |
|
|
522 | (4) |
|
The Multivariate EWMA Control Chart |
|
|
526 | (4) |
|
|
530 | (2) |
|
Control Charts for Monitoring Variability |
|
|
532 | (3) |
|
|
535 | (7) |
|
|
535 | (7) |
|
|
542 | (1) |
|
|
542 | (4) |
|
Engineering Process Control and SPC |
|
|
546 | (23) |
|
Process Monitoring and Process Regulation |
|
|
547 | (1) |
|
Process Control by Feedback Adjustment |
|
|
548 | (14) |
|
A Simple Adjustment Scheme: Integral Control |
|
|
548 | (7) |
|
|
555 | (2) |
|
Variations of the Adjustment Chart |
|
|
557 | (4) |
|
Other Types of Feedback Controllers |
|
|
561 | (1) |
|
|
562 | (4) |
|
|
566 | (3) |
PART IV Process Design and Improvement with Designed Experiments |
|
569 | (104) |
|
Factorial and Fractional Factorial Experiments for Process Design and Improvement |
|
|
571 | (68) |
|
What Is Experimental Design? |
|
|
572 | (1) |
|
Examples of Designed Experiments in Process Improvement |
|
|
573 | (4) |
|
Guidelines for Designing Experiments |
|
|
577 | (2) |
|
|
579 | (12) |
|
|
582 | (1) |
|
|
583 | (5) |
|
|
588 | (3) |
|
|
591 | (31) |
|
|
591 | (7) |
|
The 2k Design for k ≥ 3 Factors |
|
|
598 | (13) |
|
A Single Replicate of the 2k Design |
|
|
611 | (4) |
|
Addition of Center Points to the 2k Design |
|
|
615 | (5) |
|
Blocking and Confounding in the 2k Design |
|
|
620 | (2) |
|
Fractional Replication of the 2k Design |
|
|
622 | (13) |
|
The One-Half Fraction of the 2k Design |
|
|
622 | (6) |
|
Smaller Fractions: The 2k-p Fractional Factorial Design |
|
|
628 | (7) |
|
|
635 | (4) |
|
Process Optimization with Designed Experiments |
|
|
639 | (34) |
|
Response Surface Methods and Designs |
|
|
640 | (11) |
|
The Method of Steepest Ascent |
|
|
642 | (3) |
|
Analysis of a Second-Order Response Surface |
|
|
645 | (6) |
|
Process Robustness Studies |
|
|
651 | (11) |
|
|
651 | (2) |
|
The Response Surface Approach to Process Robustness Studies |
|
|
653 | (9) |
|
|
662 | (7) |
|
|
669 | (4) |
PART V Acceptance Sampling |
|
673 | (76) |
|
Lot-by-Lot Acceptance Sampling for Attributes |
|
|
675 | (47) |
|
The Acceptance-Sampling Problem |
|
|
676 | (6) |
|
Advantages and Disadvantages of Sampling |
|
|
677 | (1) |
|
|
678 | (1) |
|
|
679 | (1) |
|
|
680 | (1) |
|
Guidelines for Using Acceptance Sampling |
|
|
680 | (2) |
|
Single-Sampling Plans for Attributes |
|
|
682 | (12) |
|
Definition of a Single-Sampling Plan |
|
|
682 | (1) |
|
|
682 | (7) |
|
Designing a Single-Sampling Plan with a Specified OC Curve |
|
|
689 | (1) |
|
|
690 | (4) |
|
Double, Multiple, and Sequential Sampling |
|
|
694 | (11) |
|
|
694 | (7) |
|
|
701 | (1) |
|
Sequential-Sampling Plans |
|
|
701 | (4) |
|
Military Standard 105E (ANSI/ASQC Z1.4, ISO 2859) |
|
|
705 | (9) |
|
Description of the Standard |
|
|
705 | (2) |
|
|
707 | (5) |
|
|
712 | (2) |
|
The Dodge-Romig Sampling Plans |
|
|
714 | (5) |
|
|
716 | (1) |
|
|
716 | (3) |
|
Estimation of Process Average |
|
|
719 | (1) |
|
|
719 | (3) |
|
Other Acceptance-Sampling Techniques |
|
|
722 | (27) |
|
Acceptance Sampling by Variables |
|
|
723 | (3) |
|
Advantages and Disadvantages of Variables Sampling |
|
|
723 | (1) |
|
Types of Sampling Plans Available |
|
|
724 | (1) |
|
Caution in the Use of Variables Sampling |
|
|
725 | (1) |
|
Designing a Variables Sampling Plan with a Specified OC Curve |
|
|
726 | (3) |
|
MIL STD 414 (ANSI/ASQC Z1.9) |
|
|
729 | (5) |
|
General Description of the Standard |
|
|
729 | (1) |
|
|
730 | (3) |
|
Discussion of MIL STD 414 and ANSI/ASQC Z1.9 |
|
|
733 | (1) |
|
Other Variables Sampling Procedures |
|
|
734 | (1) |
|
Sampling by Variables to Give Assurance Regarding the Lot or Process Mean |
|
|
734 | (1) |
|
Sequential Sampling by Variables |
|
|
735 | (1) |
|
|
735 | (2) |
|
|
737 | (4) |
|
|
738 | (2) |
|
Other Continuous-Sampling Plans |
|
|
740 | (1) |
|
|
741 | (4) |
|
|
745 | (4) |
Appendix |
|
749 | (16) |
|
I. Summary of Common Probability Distributions Often Used in Statistical Quality Control |
|
|
751 | (1) |
|
II. Cumulative Standard Normal Distribution |
|
|
752 | (2) |
|
III. Percentage Points of the X2 Distribution |
|
|
754 | (1) |
|
IV. Percentage Points of the t Distribution |
|
|
755 | (1) |
|
V. Percentage Points of the F Distribution |
|
|
756 | (5) |
|
VI. Factors for Constructing Variables Control Charts |
|
|
761 | (1) |
|
VII. Factors for Two-Sided Normal Tolerance Limits |
|
|
762 | (1) |
|
VIII. Factors for One-Sided Normal Tolerance Limits |
|
|
763 | (1) |
|
|
764 | (1) |
Bibliography |
|
765 | (12) |
Answers to Selected Exercises |
|
777 | (14) |
Index |
|
791 | |