Introduction 1
Part 1: Vital Statistics about Statistics 7
CHAPTER 1: Statistics in a Nutshell 9
CHAPTER 2: The Statistics of Everyday Life 23
CHAPTER 3: Taking Control: So Many Numbers, So Little Time 35
CHAPTER 4: Tools of the Trade 47
Part 2: Number-Crunching Basics 69
CHAPTER 5: Means, Medians, and More 71
CHAPTER 6: Getting the Picture: Graphing Categorical Data 95
CHAPTER 7: Going by the Numbers: Graphing Numerical Data 107
Part 3: Distributions and the Central Limit Theorem 133
CHAPTER 8: Random Variables and the Binomial Distribution 135
CHAPTER 9: The Normal Distribution 149
CHAPTER 10: The t-Distribution 165
CHAPTER 11: Sampling Distributions and the Central Limit Theorem 171
Part 4: Guesstimating and Hypothesizing with Confidence 187
CHAPTER 12: Leaving Room for a Margin of Error 189
CHAPTER 13: Confidence Intervals: Making Your Best Guesstimate 201
CHAPTER 14: Claims, Tests, and Conclusions 223
CHAPTER 15: Commonly Used Hypothesis Tests: Formulas and Examples 237
Part 5: Statistical Studies and the Hunt for a Meaningful Relationship 255
CHAPTER 16: Polls, Polls, and More Polls 257
CHAPTER 17: Experiments: Medical Breakthroughs or Misleading Results? 275
CHAPTER 18: Looking for Links: Correlation and Regression 293
CHAPTER 19: Two-Way Tables and Independence 311
Part 6: The Part of Tens 333
CHAPTER 20: Ten Tips for the Statistically Savvy Sleuth 335
CHAPTER 21: Ten Surefire Exam Score Boosters 349
Appendix: Tables for Reference 365
Index 375