TABLE OF CONTENTS How the Solutions Were Produced 1 Chapter 1: What is Statistics? 3 Chapter 2: Graphical Descriptive Techniques I 5 Chapter 3: Graphical Descriptive Techniques II 37 Chapter 4: Numerical Descriptive Techniques 105 Chapter 5: Data Collection and Sampling 153 Chapter 6: Probability 157 Chapter 7: Random Variables and Discrete Probability Distributions 187 Chapter 8: Continuous Probability Distributions 215 Chapter 9: Sampling Distributions 229 Chapter 10: Introduction to Estimation 239 Chapter 11: Introduction to Hypothesis Testing 247 Chapter 12: Inference about One Population 269 Chapter 13: Inference about Two Populations 313 Appendix 13 Review of Chapters 12 and 13 375 Chapter 14: Analysis of Variance 393 Appendix 14 Review of chapters 12 to 14 443 Chapter 15: Chi-Squared Tests 458 Appendix 15 Review of Chapters 12 to 15 494 Chapter 16 Simple Linear Regression 510 Appendix 16 Review of Chapters 12 to 16 566 Chapter 17: Multiple Regression 594 Appendix 17 Review of Chapters 12 to 17 650 Chapter 18: Model Building 672 Chapter 19: Nonparametric Statistical Techniques 708 Appendix 19 Review of Chapters 12 to 19 762 Chapter 20 Time-Series Analysis and Forecasting 794 Chapter 21 Statistical Process Control 816 Chapter 22: Decision Analysis 844