Page 9 - Statistics II for Dummies

Table of Contents

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 I: Tackling Data Analysis and Model-Building Basics ................4
Part II: Using Different Types of Regression to Make Predictions ...4
Part III: Analyzing Variance with ANOVA ............................................4
Part IV: Building Strong Connections with Chi-Square Tests ...........5
Part V: Nonparametric Statistics: Rebels without a Distribution ....5
Part VI: The Part of Tens .......................................................................5
Icons Used in This Book .................................................................................5
Where to Go from Here ...................................................................................6

Part I: Tackling Data Analysis and
Model-Building Basics .................................................. 7

Chapter 1: Beyond Number Crunching:
The Art and Science of Data Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Data Analysis: Looking before You Crunch ..................................................9
Nothing (not even a straight line) lasts forever ...............................11
Data snooping isn’t cool .....................................................................11
No (data) fi shing allowed ....................................................................12
Getting the Big Picture: An Overview of Stats II ........................................13
Population parameter .........................................................................13
Sample statistic ....................................................................................14
Confi dence interval ..............................................................................14
Hypothesis test ....................................................................................15
Analysis of variance (ANOVA) ...........................................................15
Multiple comparisons..........................................................................16
Interaction effects ................................................................................16
Correlation ............................................................................................17
Linear regression .................................................................................18
Chi-square tests ...................................................................................19
Nonparametrics ...................................................................................20

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