Applied Statistics and Probability for Engineers

xiv CONTENTS

16-7 Process Capability 619

16-8 Attribute Control Charts 625

16-8.1PChart (Control Chart for

Proportion) 625

16-8.2UChart (Control Chart for

Defects per Unit) 627

16-9 Control Chart Performance 630

16-10 Cumulative Sum Control

Chart 632

16-11 Other SPC Problem-Solving

Tools 639

16-12 Implementing SPC 641

APPENDICES 649

APPENDIX A: Statistical Tables

and Charts 651

Table I Summary of Common Probability

Distributions 652

Table II Cumulative Standard Normal

Distribution 653

Table III Percentage Points ^2 , of the Chi-

Squared Distribution 655

Table IV Percentage Points t , of the

t-distribution 656

Table V Percentage Points f ,v 1 ,v 2 of the

F-distribution 657

Chart VI Operating Characteristic

Curves 662

Table VII Critical Values for the Sign

Test 671

Table VIII Critical Values for the Wilcoxon

Signed-Rank Test 671

Table IX Critical Values for the Wilcoxon

Rank-Sum Test 672

Table X Factors for Constructing Variables

Control Charts 673

Table XI Factors for Tolerance

Intervals 674

APPENDIX B: Bibliography 677

APPENDIX C: Answers to

Selected Exercises

679

GLOSSARY 689

INDEX 703

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PROBLEM SOLUTIONS