Statistics 212 Notes, Handouts and Examples

The notes and handouts provided here are those that will be presented in class and they will appear on this page ahead of time.  Often they will continue to be modified, corrected or extended afterwards.
Please note: You will be required to login before downloading the PDF and Excel documents provided below.

Lecture Notes (PDF) Login required.

Lecture notes will be posted here.
    Table of Contents (as of 11/28/06, Updated)
    Introduction (as of 8/28/06)
  1. Estimating Distributions (as of 9/01/06)
    1. Density Estimation
    2. Box Plots and Quantile Plots
    3. Testing Distributions
  2. Regression and Correlation (as of 9/05/04)
    1. Understanding Correlation
    2. Simple Linear Regression
    3. Transformations and Smoothers
    4. Checking Assumptions
    5. Polynomial and Multiple Regression
    6. Model Building
  3. Design and Analysis of Experiments (as of 11/08/06)
    1. Comparing Group Means
    2. Handling Assumptions
    3. Regression with One-way Data
    4. One-way Random Effects Model
    5. Factorial Models and Interaction
    6. Randomized Block Designs
    7. Random and Mixed Effects
    8. General Linear Models
  4. Analysis of Categorical and Count Data (as of 11/28/06, Updated added two pages to section D)
    1. Inference for Proportions
    2. Multinomial Experiments and Goodness of Fit
    3. Association between Categorical Variables
    4. Logistic Regression
    5. Inference for Percentiles

Handouts (PDF) Login required.

Class handouts will be posted here.
Code Example 
[scimeth] Statistics and the Scientific Method
[shapes] Distribution Shapes
[densities] Density Functions
[qqplots] Histogram and Quantile Plot Examples
[histograms] Variability in Histograms and Quantile Plots
[scatter] Scatterplot Examples
[correlate] Variations of Correlation
[residuals] Residuals Plot Examples

Examples (PDF) Login required.

Minitab and SAS examples will be posted here.  Select "Read Only" when opening the Excel files.
Disclaimer: These examples are for pedagogical purposes only and do not have research value. Some are from actual data and some are simulated. All are inspired by real research problems I have been involved with or have taken from other textbooks.
Code Example Dataset
[ddt] Weight, Length and DDT of Fish in Tennessee (Minitab) ddt.xls
[emissions] Hydrocarbon Emissions of 78 Automobiles in Albuquerque (Minitab Updated) emissions.xls
[employee] Twenty-five Employee Weights (SAS) (included)
[iron] Precambrian Iron Formations (Minitab) iron.xls
[lenses] Haze Buildup on Prescription Lenses (SAS) (included)
[bearing] Friction Power Loss from Engine Bearings (Minitab) bearing.xls
[anscombe] Four Datasets with the Same Summary Statistics (SAS) (included)
[mica] Magnesium Oxide Content in Ferromagnesium Mica (SAS) (included)
[ozone] Ozone Levels and Secondary Carbon Pollutants (SAS) (included)
[wire] Time to Failure of Wire Insulation (Minitab) wire.xls
[millscrap] Scrap Metal Loss from a Rolling Mill (Minitab) millscrap.xls
[nile] January and February Inflows of the Nile (Minitab) nile.xls
[silver] Silver Content in a Silver Mine (SAS) (included)
[circuit] Failure Time of a System Due to the Hot Electron Effect (SAS) (included)
[catfish] Weight vs. Length for Tennessee River Catfish (Minitab) catfish.xls
[deaths] Fatal Automobile Accidents in 1964 (Minitab) deaths.xls
[westtex] Evaporation Rate in West Central Texas (SAS) westtex.dat
[heart] Heart Size vs. Chest Size of 12 Year Old Boys (SAS) (included)
[fishegg] Predation on Capelin Eggs by Amphipods (SAS) (included)
[lenses] Haze Buildup on Prescription Lenses (SAS) (included)
[pfragi] Effect of Carbon Dioxide on the Growth Rate of P. Fragi (Minitab) pfragi.xls
[rawbatch] Yield of a Chemical Process for Different Batches of Raw Material (Minitab) rawbatch.xls
[battery] Effect of Temperature and Plate on Voltage of a Battery (Minitab) battery.xls
[autopart] Effect of Temperature and Material on Strength of an Auto Part (Minitab) autopart.xls
[drill] Drill Noise Related to Speed, Feed Rate and Bit Wear (Minitab) drill.xls
[shrimp] Effects of Three Factors on the Growth of Shrimp (SAS) (included)
[wafers] Material Lost from Semiconductor Wafers (Minitab) wafers.xls
[assembly] Time to Complete Assembly Tasks (SAS) (included)
[plastic] ABC Chemical - Strength of a New Plastic (Minitab) plastic.xls
[pvc] Uniformity of PVC Resin Particle Size (Minitab) pvc.xls
[fireant] Effectiveness of Four Fire Ant Treatments (Minitab) fireant.xls
[carcino] Level of a Carcinogen in a Synthetic Product (SAS) (included)
[icsimul] Simulation of Three Integrated Circuits (Minitab) icsimul.xls
[alcohol] Incidence of Alcoholism in Various Professions (SAS) (included)
[commute] Relationship between Size of Car and Commuting Distance (Minitab Updated) commute.xls
[caps] Gender Bias in Cap Wearing (SAS) (included)
[dwi] Survival Rates when Driving While Intoxicated (Minitab) dwi.xls
[coronary] Presence of Coronary Heart Disease by Age (Minitab New) coronary.xls
[crabs] Predicting the Presence of Horseshoe Crab Satellites (Minitab New) crabs.xls

Statistics Applets

Here are links to some fun applets and other online tools that may help you to visualize statistical concepts.  I have provided the main pages along with links to specific applets useful for this class.  Enjoy!