Business Statistics For Dummies (eBook)

Alan Anderson, PhD is a teacher of finance, economics, statistics, and math at Fordham and Fairfield universities as well as at Manhattanville and Purchase colleges. Outside of the academic environment he has many years of experience working as an economist, risk manager, and fixed income analyst. Alan received his PhD in economics from Fordham University, and an M.S. in financial engineering from Polytechnic University.

Introduction 1

Part I: Getting Started with Business Statistics 5

Chapter 1: The Art and Science of Business Statistics 7

Chapter 2: Pictures Tell the Story: Graphical Representations of Data 23

Chapter 3: Finding a Happy Medium: Identifying the Center of a Data Set 39

Chapter 4: Searching High and Low: Measuring Variation in a Data Set 55

Chapter 5: Measuring How Data Sets Are Related to Each Other 71

Part II: Probability Theory and Probability Distributions 91

Chapter 6: Probability Theory: Measuring the Likelihood of Events 93

Chapter 7: Probability Distributions and Random Variables 111

Chapter 8: The Binomial, Geometric, and Poisson Distributions 121

Chapter 9: The Uniform and Normal Distributions: So Many Possibilities! 139

Chapter 10: Sampling Techniques and Distributions 165

Part III: Drawing Conclusions from Samples 185

Chapter 11: Confidence Intervals and the Student's t-Distribution 187

Chapter 12: Testing Hypotheses about the Population Mean 201

Chapter 13: Testing Hypotheses about Multiple Population Means 233

Chapter 14: Testing Hypotheses about the Population Mean 251

Part IV: More Advanced Techniques: Regression Analysis and Forecasting 281

Chapter 15: Simple Regression Analysis 283

Chapter 16: Multiple Regression Analysis: Two or More Independent Variables 309

Chapter 17: Forecasting Techniques: Looking into the Future 327

Part V: The Part of Tens 351

Chapter 18: Ten Common Errors That Arise in Statistical Analysis 353

Chapter 19: Ten Key Categories of Formulas for Business Statistics 361

Index 373