Table of Contents
About the Author vii
Foreword ix
Preface xi
Acknowledgements xiii
1 Nature of Variability 1
2 Basic Statistical Methods 9
2.1 Variance 9
2.2 Divisor ‘n’ or ‘n-1’? 11
2.3 Covariance and Correlation 13
2.4 Normal Distribution 14
2.5 Cumulative Frequency Distributions 18
2.6 Binomial Distribution 20
2.7 Poisson Distribution 25
2.8 Chi-squared Distribution 26
Bibliography 31
3 Production 33
3.1 Sampling Inspection 34
3.2 Control Charts 37
3.3 Cusum Charts 40
3.4 Significance Tests 43
3.5 Analysis of Variance 49
3.6 Linear Regression 52
Bibliography 57
4 Engineering Design 61
4.1 Variance Synthesis 61
4.2 Factors of Safety 68
4.3 Tolerances 69
4.4 The Future 71
Bibliography 72
5 Research and Development 75
5.1 Design of Experiments 76
5.2 Evolutionary Operation 95
5.3 Multiple Regression 96
5.4 More Statistical Methods 111
Bibliography 115
6 Background 119
6.1 Measurement 119
6.2 Statistical Computing 121
Bibliography 127
7 Quality Management 129
7.1 Quality Planning 129
7.2 Quality Organisation 135
7.3 Directing the Quality Function 137
7.4 Controlling the Quality Function 140
7.5 Statistical Engineering 141
Bibliography 142
8 Conclusion 145
Appendix A: Guidelines 147
Appendix B: Recommended Books 151
Appendix C: Periodicals 161
Appendix D: Supplementary Bibliography 165
Appendix E: Statistical Tables 171
Index 173