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The fun and easy way to get down to business with statisticsStymied by statistics? No fear? this friendly guide offers clear, practical explanations of statistical ideas, techniques, formulas, and calculations, with lots of examples that show you how these concepts apply to your everyday life.Statistics For Dummies shows you how to interpret and critique graphs and charts, determine the odds with probability, guesstimate with confidence using confidence intervals, set up and carry out a hypothesis test, compute statistical formulas, and more. Tracks to a typical first semester statistics course Updated examples resonate with today's students Explanations mirror teaching methods and classroom protocol Packed with practical advice and real-world problems, Statistics For Dummies gives you everything you need to analyze and interpret data for improved classroom or on-the-job performance.
List of contents
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
