Page 14 - Intermediate Statistics for Dummies

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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...........................................................................4
Part I: Data Analysis and Model-Building Basics................................4
Part II: Making Predictions By Using Regression................................4
Part III: Comparing Many Means with ANOVA....................................4
Part IV: Building Strong Connections with Chi-Square Tests............5
Part V: Rebels without a Distribution: Nonparametric Statistics.....5
Part VI: The Part of Tens .......................................................................5
Icons Used in This Book..................................................................................5
Where to Go from Here....................................................................................6
Part I: Data Analysis and Model-Building Basics.............7
Chapter 1: Beyond Number Crunching: The Art and Science
of Data Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Data Analysis: It’s Not Just for Statisticians Anymore ................................9
Remembering the old days .................................................................10
The downside of today’s statistical software ...................................11
Rule #1: Look Before You Crunch.................................................................12
Nothing (even a straight line) lasts forever .....................................12
Data snooping isn’t cool......................................................................13
No (data) fishing allowed ....................................................................15
Getting the Big Picture: An Overview of Intermediate Statistics .............19
Population parameter..........................................................................19
Sample statistic ....................................................................................19
Confidence interval..............................................................................20
Hypothesis test.....................................................................................21
Analysis of variance (ANOVA) ............................................................22
Multiple comparisons..........................................................................23
Interaction effects ................................................................................23
Correlation ............................................................................................25
Linear regression..................................................................................27
Chi-square tests....................................................................................28
Nonparametrics....................................................................................29