Case Studies


Introductory Statistics

Descriptive Stats - Movie Reviews, Business Profits, Rainfall

Sampling Distribution of Mean and CLT - Philadelphia Rainfall 1/1825-12/1869


Regression Models

Simple Linear Regression - Bus Company Cost Function

Simple Linear Regression - NFL Point Spreads and Actual Scores

Multiple Linear Regression - Regional Differences in Mortgage Rates

Multiple Linear Regression - Immigrant Skills and Wages (1909)

Intrinsically Linear Regression - Cobb-Douglas Production Function

Multiple Linear Regression - Television Station Prices (Model Building & Diagnostics)

Multiple Linear Regression - Efficiency of Muscle Work  (Diagnostics)

Multiple Linear Regression - Texas January High Temperatures  (Complete/Reduced Models)

Weighted Least Squares - Population and Technological Growth

Nonlinear Regression - Orlistat to Reduce Fat Absorption

Poisson Regression - NASCAR Crash Data (1975-1979)

Logistic Regression - NFL Field Goal Attempts (2003)

Logistic Regression - Pre-Challenger Field-Joint O-Ring Failures and Temperature

Negative Binomial Regression - NASCAR Lead Changes (1975-1979)


Multivariate Regression - Monthly British Butter Prices (1930-1936)



Categorical Data Analysis


Chi-Squared Test and 1-Way ANOVA - Comparing 4 Diet Plans

Loglinear Models - Donner Party Survival

Relative Risks & Odds Ratios - John Snow's Cholera Investigations


ANOVA

1-Way ANOVA - Innoculating Amoebae


Randomized Block Design - Caffeine and Endurance

2-Way ANOVA - Thalidomide and TB Status in Weight Gain in HIV-1 Patients

2-Way ANOVA - Lacrosse Helmets Analysis

2-Way ANOVA - Beauty and Judgment - Halo Effect

5-Way ANOVA - Potato Flavor Ratings

Nested 2-Factor ANOVA - Water Levels in Florida Swamps

Nested 2-Factor ANOVA - Comparison of 2 Shampoo Formulations on Combability

Unbalanced 2-Way ANOVA - Ethics Scores for Coast Guard Members

Repeated Measures ANOVA - Rogaine for Women's Hair Growth

Split-Plot ANOVA - LPGA Golf Scores

Split-Plot ANOVA -Wool Shrinkage by Treatment and Dry Cycle Revolutions

Multivariate ANOVA - Potato Ratings by Cooking Type

Crossed / Nested ANOVA - Moistness of Tree Branch Cuts

Analysis of Covariance - Comparison of Trout Head Lengths for 2 Lakes


Probability and Probability Distributions

Bayes' Rule - OJ Simpson, Gettysburg, Craps

Normal Distribution - U.S. County Vote for Bush - 2004

Bivariate Normal Distribution - Heredity and Heights (Francis Galton)

Poisson Distribution - English Premier League Soccer Scores 2006/7 Season

Estimating Parameters of the Gumbel Distribution for Extreme Values - Rhone River Discharge Data (1826-1936)

Bayesian Updating of a Probability of Success - Yankees/Red Sox 2004