Statistics For Dummies

Informationen zum Autor Deborah J. Rumsey, PhD, is Professor of Statistics and Statistics Education Specialist at The Ohio State University. She is the author of Statistics Workbook For Dummies, Statistics II For Dummies, and Probability For Dummies. Klappentext Statistics For Dummies, 2nd Edition (9781119293521) was previously published as Statistics For Dummies, 2nd Edition (9780470911082). While this version features a new Dummies cover and design, the content is the same as the prior release and should not be considered a new or updated product.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 protocolPacked 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. Zusammenfassung Statistics For Dummies, 2nd Edition (9781119293521) was previously published as Statistics For Dummies, 2nd Edition (9780470911082). While this version features a new Dummies cover and design, the content is the same as the prior release and should not be considered a new or updated product.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 protocolPacked 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. Inhaltsverzeichnis Introduction 1Part 1: Vital Statistics about Statistics 7CHAPTER 1: Statistics in a Nutshell 9CHAPTER 2: The Statistics of Everyday Life 23CHAPTER 3: Taking Control: So Many Numbers, So Little Time 35CHAPTER 4: Tools of the Trade 47Part 2: Number-Crunching Basics 69CHAPTER 5: Means, Medians, and More 71CHAPTER 6: Getting the Picture: Graphing Categorical Data 95CHAPTER 7: Going by the Numbers: Graphing Numerical Data 107Part 3: Distributions and the Central Limit Theorem 133CHAPTER 8: Random Variables and the Binomial Distribution 135CHAPTER 9: The Normal Distribution 149CHAPTER 10: The t-Distribution 165CHAPTER 11: Sampling Distributions and the Central Limit Theorem 171Part 4: Guesstimating and Hypothesizing with Confidence 187CHAPTER 12: Leaving Room for a Margin of Error 189CHAPTER 13: Confidence Intervals: Making Your Best Guesstimate 201CHAPTER 14: Claims, Tests, and Conclusions 223CHAPTER 15: Commonly Used Hypothesis Tests: Formulas and Examples 237Part 5: Statistical Studies and the Hunt for a Meaningful Relationship 255CHAPTER 16: Polls, Polls, and More Polls 257CHAPTER 17: Experiments: Medical Breakthroughs or Misleading Results? 275CHAPTER 18: Looking for Links: Correlation and Regr...

Auteur

Deborah J. Rumsey, PhD, is Professor of Statistics and Statistics Education Specialist at The Ohio State University. She is the author of Statistics Workbook For Dummies, Statistics II For Dummies, and Probability For Dummies.

Texte du rabat

Statistics For Dummies, 2nd Edition (9781119293521) was previously published as Statistics For Dummies, 2nd Edition (9780470911082). While this version features a new Dummies cover and design, the content is the same as the prior release and should not be considered a new or updated product. The fun and easy way to get down to business with statistics Stymied 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.

Contenu

Introduction 1

About This Book 1

Conventions Used in This Book 2

What You're Not to Read 3

Foolish Assumptions 3

How This Book Is Organized 3

Part 1: Vital Statistics about Statistics 3

Part 2: Number-Crunching Basics 4

Part 3: Distributions and the Central Limit Theorem 4

Part 4: Guesstimating and Hypothesizing with Confidence 4

Part 5: Statistical Studies and the Hunt for a Meaningful Relationship 5

Part 6: The Part of Tens 5

Icons Used in This Book 6

Where to Go from Here 6

Part 1: Vital Statistics About Statistics 7

Chapter 1: Statistics in a Nutshell 9

Thriving in a Statistical World 10

Designing Appropriate Studies 11

Surveys 11

Experiments 12

Collecting Quality Data 13

Selecting a good sample 13

Avoiding bias in your data 14

Creating Effective Summaries 14

Descriptive statistics 15

Charts and graphs 15

Determining Distributions 16

Performing Proper Analyses 17

Margin of error and confidence intervals 18

Hypothesis tests 19

Correlation, regression, and two-way tables 20

Drawing Credible Conclusions 21

Reeling in overstated results 21

Questioning claims of cause and effect 21

Becoming a Sleuth, Not a Skeptic 22

Chapter 2: The Statistics of Everyday Life 23

Statistics and the Media: More Questions than Answers? 24

Probing popcorn problems 24

Venturing into viruses 24

Comprehending crashes 25

Mulling malpractice 26

Belaboring the loss of land 26

Scrutinizing schools 27

Studying sports 28

Banking on business news 28

Touring the travel news 29

Surveying sexual stats 29

Breaking down weather reports 30

Musing about movies 30

Highlighting horoscopes 31

Using Statistics at Work 31

Delivering babies - and information 31

Posing for pictures 32

Poking through pizza data 32

Statistics in the office 33

Chapter 3: Taking Control: So Many Numbers, So Little Time 35

Detecting Errors, Exaggerations, and Just Plain Lies 36

Checking the math 36

Uncovering misleading statistics 37

Looking for lies in all the right places 44

Feeling the Impact of Misleading Statistics 44

Chapter 4: Tools of the Trade 47

Statistics: More than Just Numbers 47

Grabbing Some Basic Statistical Jargon 49

Data 50

Data set 51

Variable 51

Population 51

Sample, random, or otherwise 52

Statistic 54

Parameter 54

Bias 55

Mean (Average) 55

Median 56

Standard deviation 56

Percentile 57

Standard score 57

Distribution and normal distribution 58

Cent…