- Part I: Design of Experiments
- 1: Controlled Experiments
- 1.1 The Salk Vaccine Field Trial
- 1.2 The Portacaval Shunt
- 1.3 Historical Controls
- 2: Observational Studies
- 2.1 Introduction
- 2.2 The Clofibrate Trial
- 2.3 More Examples
- 2.4 Sex Bias in Graduate Admissions
- 2.5 Confounding
- 1: Controlled Experiments
- Part II: Descriptive Statistics
- 3: The Histogram
- 3.1 Introduction
- 3.2 Drawing a Histogram
- 3.3 The Density Scale
- 3.4 Variables
- 3.5 Controlling for a Variable
- 3.6 Cross-Tabulation
- 3.7 Selective Breeding
- 4: The Average and the Standard Deviation
- 4.1 Introduction
- 4.2 the Average and the Histogram
- 4.3 The Root-Mean-Square
- 4.5 The Standard Deviation
- 4.6 Computing the Standard Deviation
- 4.7 Using a Statistical Calculator
- 5: The Normal Approximation for Data
- 5.1 The Normal Curve
- 5.2 Finding Areas Under the Normal Curve
- 5.3 The Normal Approximation for Data
- 5.4 Percentiles
- 5.6 Change of Scale
- 5.7 Review Exercises
- 5.8 Summary
- 6: Measurement Error
- 6.1 Introduction
- 6.2 Chance Error
- 6.3 Outliers
- 6.4 Bias
- 6.7 Summary
- 7: Plotting Points and Lines
- 7.1 Reading Points Off a Graph
- 7.2 Plotting Points
- 7.3 Slope and Intercept
- 7.4 Plotting Lines
- 7.5 The Algebraic Equation for a Line
- 3: The Histogram
- Part III: Correlation and Regression
- 8: Correlation
- 8.1 The Scatter Diagram
- 8.2 The correlation Coefficient
- 8.3 The SD Line
- 8.4 Computing the Correlation Coefficient
- 9: More about Correlation
- 9.1 Features of the Correlation Coefficient
- 9.2 Chaning SDs
- 9.3 Some Exceptional Cases
- 9.4 Ecological Correlatons
- 9.5 Assoclation is Not Causation
- 10: Regression
- 10.1 Introduction
- 10.2 The Graph of Averages
- 10.3 The Regression Method for Individuals
- 10.4 The Regression Fallacy
- 10.5 There are Two Regression Lines
- 11: The R.M.S. Error for Regression
- 10.1 Introduction
- 10.2 Computing the R.M.S. Error
- 10.3 Plotting the Residuals
- 10.4 Looking at Vertical Strips
- 10.5 Using the Normative Curve Inside a Vertical Strip
- 12: The Regression Line
- 12.1 Slope and Intercept
- 12.2 The Method of Least Squares
- 12.3 Does the Regression Make Sense?
- 8: Correlation
- Part IV: Probability
- 13: What are the Chances?
- 13.1 Introduction
- 13.2 conditional Probabilities
- 13.3 The Multiplication Rule
- 13.4 Independence
- 13.5 The Collins Case
- 14: More about Chance.
- 14.1 Listing the Ways
- 14.2 TheAddition Rule
- 14.3 Two FAQs (Frequently Asked Questions)
- 14.4 The Paradox of Chevalier de Méré
- 14.5 Are Real Dice Fair?
- 15: The Binomial Formula
- 15.1 Introduction
- 15.2 The BinomialFormula
- 15.3 ReviewExercises
- 15.4 Special Review Exercises
- 15.5 Summary and Overview
- 13: What are the Chances?
- Part V: Chance Variability
- 16: The Law of Averages
- 16.1 What Does the Law of Averages Say?
- 16.2 Chance Processes
- 16.3 The Sum of Draws
- 16.4 Making a Box Model
- 16.5 Review Exercises
- 16.6. Summary
- 17: The Expected Value and Standard Error
- 17.1 The Expected Value
- 17.2 The Standard Error
- 17.3 Using the Normal Curve
- 17.4 A Short-Cut
- 17.5 Classifying and Counting
- 17.6 Review Exercises
- 17.7 Postscript
- 17.8 Summary
- 18: The Normal Approximation for Probability Histograms
- 18.1 Introduction
- 18.2 Probability Histograms
- 18.3 Probability Histograms and the Normal Curve
- 18.4 The Normal Approximation.
- 18.5 The Scope of the Normal Approximation
- 18.6 Conclusion
- 18.7 Review Exercises
- 18.8 Summary
- 16: The Law of Averages
- Part VI: Sampling
- 19: Sample Surveys
- 19.1 Introduction
- 19.2 The Literary Digest Poll
- 19.3 The Year the Polls Elected Dewey
- 19.4 Using Chance in Survey Work
- 19.5 How Well Do Probability Methods Work?
- 19.6 A Closer Look at the Gallup Poll
- 19.7 Telephone Surveys
- 19.8 Chance Error and Bias
- 19.9 Review Exercises
- 19.10 Summary
- 20: Chance Errors in Sampling
- 20.1 Introduction
- 20.2 The Expected Value and Standard Error
- 20.3 Using the Normal Curve
- 20.4 The Correction Factor
- 20.5 The Gallup Poll
- 20.6 Review Exercises
- 20.7 Summary
- 21: The Accuracy of Percentages
- 21.1 Introduction
- 21.2 Confidence Intervals
- 21.3 Interpreting a Confidence Interval
- 21.4 Caveat Emptor
- 21.5 The Gallup Poll
- 21.6 Review Exercises
- 21.7 Summary
- 22: Measuring Employment and Unemployment
- 22.1 Introduction
- 22.2 The Design of the Current Population Survey
- 22.3 Carrying Out the Survey
- 22.4 Weighting the Sample
- 22.5 Standard Errors
- 22.6 The Quality of the Data
- 22.7 Bias
- 22.8 Review Exercises
- 22.9 Summary
- 23: The Accuracy of Averages
- 23.1 Introduction
- 23.2 The Sample Average
- 23.3 Which SE?
- 23.4 A Reminder
- 23.5 Review Exercises
- 23.6 Special Review Exercises
- 23.7 Summary and Overview
- 19: Sample Surveys
- Part VII: Chance Models
- 24: A Model For Measurement Error
- 24.1 Estimating the Accuracy of an Average
- 24.2 Chance Models
- 24.3 The Gauss Model.
- 24.4 Conclusion
- 24.5 Review Exercises
- 24.6 Summary
- 25: Chance Models in Genetics
- 25.1 How Mendel Discovered Genetics
- 25.2 Did Mendel's Facts Fit His Model?
- 25.3 The Law of Regression
- 25.4 An Appreciation of the Model
- 24: A Model For Measurement Error
- Part VIII: Tests of Significance
- 26: Tests of Significance
- 26.1 Introduction
- 26.2 The Null and the Alternative
- 26.3 Test Statistics and Significance Levels
- 26.4 Making a Test of Significance
- 26.5 Zero-One Boxes
- 26.6 The t-Test
- 26.7 Review Exercises
- 26.8 Summary
- 27: More Tests for Averages
- 27.1 The Standard Error for a Difference
- 27.2 Comparing Two Sample Averages
- 27.3 Experiments
- 27.4 More on Experiments
- 27.5 When Does the z-Test Apply?
- 28: The Chi-Square Test
- 28.1 Introduction
- 28.2 The Structure of the x2-Test
- 28.3 How Fisher Used the x2-Test
- 28.4 TestingIndependence
- 29: A Closer Look at Tests of Significance
- 29.1 Was the Result Significant?
- 29.2 Data Snooping
- 29.3 Was the Result Important?
- 29.4 The Role of the Model
- 29.5 Does the Difference Prove the Point?
- 26: Tests of Significance
-
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