## STAT 2332 Introductory Statistics for Life Sciences (These materials also used for STAT 3332 Statistics for Life Sciences) Fall 2015 Instructor: Robert Serfling

### General Information and Syllabus

• (pdf) (last updated July 29, 2015)

### Office Hours

• Robert Serfling, Professor:

• Wednesday: 9:30 - 10:30 am (FO 2.602C)
• Thursday: 1:30 - 2:30 pm (FO 2.602C)

• and other times by appointment arranged by email ([email protected])

• Dorcas Ofori-Boateng, Graduate Teaching Assistant (email: [email protected]):

• Friday: 9:30 - 11:30 am (FO 1.204 Cubicle 8)

### Minitab Demos

• Minitab Demo 1 (illustrates descriptive statistics) (pdf)
• Minitab Demo 2 (illustrates binomial and Poisson distributions) (pdf)
• Minitab Demo 3 (illustrates one-sample t-test and sign test for paired data) (pdf)
• Minitab Demo 4 (illustrates 2-sample t-test) (pdf)
• Graph 1 for Minitab Demo 4 (shows a dotplot of 2 samples) (gif)
• Minitab Demo 5 (illustrates simple linear regression) (pdf)
• Graph 1 for Minitab Demo 5 (scatterplot of original variables) (gif)
• Graph 2 for Minitab Demo 5 (scatterplot of variables after log transformation) (gif)
• Graph 3 for Minitab Demo 5 (scatterplot of variables after log transformation, with regression line added) (gif)
• Minitab Demo: Regression Analysis of Student's Height & Mother's Height Data
• Minitab Demo (illustrates 1-way and 2-way ANOVA: Rounding First Base in Baseball) (pdf)

### Excel Demos

• See Biology statistics made simple using Excel, Neil Millar [School Science Review 83 (2001), 23-34] (pdf). This contains illustrations and further sources and references.
• Excel Demo 1 (illustrates descriptive statistics) (pdf)
• Further Excel Demos are posted for this course in eLearning.

### Recommended Exercises

• Recommended Exercises from Freedman, Pisani, and Purves (pdf) (last updated 9/26/2012)

Solutions to the "Exercise Sets" are in the back of FPP. Solutions to the "Review Exercises" are posted in eLearning.

• Recommended Exercises on the Geometric, Poisson, and Exponential Distributions (pdf)

### Notes Related to Class Lectures

• Notes Related to Chapter 1 (pdf)
• Notes Related to Chapter 2 (pdf)
• Notes Related to Chapter 3 (pdf)
• Notes Related to Chapter 4 (pdf)
• Notes Related to Chapter 5 (pdf)
• Perspective on Chapters 8, 9, 10, 11, & 12 (pdf)
• Notes Related to Chapters 8 and 9 (pdf)
• Notes Related to Chapter 10 (pdf)
• Notes Related to Chapters 11 and 12 (pdf)
• Notes Related to Chapters 13 and 14 (pdf)
• Notes Related to Chapter 15 (pdf)
• Notes Related to the Geometric Probability Distribution (pdf)
• Notes Related to the Poisson Probability Distribution (pdf)
• Notes Related to the Exponential Probability Distribution (pdf)
• Notes Related to Chapter 16 (pdf)
• Notes Related to Chapter 17 (pdf)
• Notes Related to Chapter 18 (pdf)
• Notes Related to Chapter 19 (pdf)
• Notes Related to Chapter 20 (pdf)
• Notes Related to Chapter 21 (pdf)
• Notes Related to Chapter 23 (pdf)
• Notes Related to Chapter 26 (pdf)
• Notes Related to Chapter 27 (pdf)
• Testing a Hypothesis About a Population Median: The Sign Test (pdf)
• Testing a Hypothesis About a Difference of Two Population Medians: The Wilcoxon-Mann-Whitney Rank Sum Test (pdf)
• Chi-Square Distributions: Preliminary to Chapter 28 (pdf)
• Notes Related to Chapter 28 (pdf)
• One-Way Analysis of Variance:F-test & Kruskal-Wallis Test (pdf)
• Two-Way Analysis of Variance:F-test & Friedman Test (pdf)

### Other Notes Related to Class Lectures

• Cell Phone Study - Introductory illustration of planning studies and using statistics to analyze the results (pdf)
• Information on Minitab Statistical Software (pdf)
• Examples of Randomization and Blinding in Experimental Design (pdf)
• Experimental Design in Prostate Cancer Research: the Prostate Cancer Prevention Trial (PCPT), 1996-2003 (pdf)
• Experimental Design in Prostate Cancer Research: an Editorial about the Prostate Cancer Prevention Trial (PCPT), 1996-2003 (pdf)
• Smoking and Health
• The Landmark 1965 Report of the U.S. Surgeon General on Smoking and Health (pdf)
• Commentary 50 Years Later on the 1965 Surgeon General's Report (pdf)
• The 2013 USPSTF Recommendations on Screening of Heavy Smokers for Lung Cancer (pdf)
• Prisoners and Pellagra (pdf)
• Screening for HPV Outperforms Pap Test for Cervical Cancer (pdf)
• Bivariate Histograms - Examples (pdf)
• Computing Percentiles (pdf)
• Setting Speed Limits Using Percentiles (pdf)
• Computing the Sample Variance Efficiently (pdf)
• Example of a Current Longitudinal Study (pdf)
• Example of a Recent Observational Study on C-Sections for Premature Babies (pdf)
• Example of a Cross-Sectional Study: National Health and Nutrition Examination Survey (NHANES)
• NHANES Overview Brochure 2007-2008 (pdf)
• Link to NHANES website - explore! (pdf)
• Illustrations of Binomial, Geometric, and Poisson Distributions (pdf)
• The Geometric Distribution (pdf)
• Example of Joint Probability Distribution of Two Discrete Random Variables (pdf)
• Illustrations of Independent and Dependent X and Y (pdf)
• Illustration of Sample Correlation (pdf)
• Covariance and Correlation (pdf)
• The Exponential Distribution (pdf)
• Generating Random Numbers with Icosahedron (20 Face) Dice (pdf)
• Illustrations of Central Limit Theorem and Normal Approximation to Binomial (pdf)
• Stirling's Formula for Approximation of n! (Read this at your own risk!) (pdf)
• Practical Guide for Estimation of Population Mean by Sample Mean (pdf)
• Illustration of Sample Proportion and Related Confidence Intervals: Obama versus Clinton for President (pdf)
• Illustration of Sample Proportion and Related Confidence Intervals: President Obama's Healthcare Plan (pdf)
• Illustration of Sample Proportion and Related Confidence Intervals: Obama versus Romney, April 2012 (pdf)
• Illustration of Sample Proportion for CNN Poll of Polls: Obama versus Romney, April 2012 (pdf)
• Illustration of Sample Proportion and Related Confidence Intervals: Recent Changes in Opinions on Gay Marriage, March 2013 (pdf)
• W. S. Gossett Plaque (pdf)
• Practical Guide for Hypothesis Test about Population Mean by Sample Mean (pdf)
• Diagram of Test Procedures and Rejection Regions for Testing Mean using Sample Mean (pdf)
• Illustration of Crossover Design, Relative Risk, and p-Values: Coffee Boosts Stroke Risk (pdf)
• A Better Poll Question: Who Do You Think Will Win? (pdf)
• Precursor to the Sign Test: John Arbuthnot (1710), "An argument for Divine Providence, taken from the constant regularity observed in the births of both sexes" (pdf)
• Practical Guide for Use of Sign Test about Population Median (pdf)
• Practical Guide for Use of Wilcoxon Signed Rank Test about Population Median (pdf)
• Inference Procedures for One Sample and Paired-Data Location Problems (pdf)
• Practical Guide for Estimation of Difference of Means of Two Populations (pdf)
• Practical Guide for Hypothesis Test about Difference of Means of Two Populations (pdf)
• Practical Guide for Use of Wilcoxon Rank Sum Test about Difference of Medians for Two Populations (pdf)
• Practical Guide for Use of Chisquare Goodness of Fit Test with Model Completely Specified by the Hypothesis (pdf)
• The Importance of Looking at Scatterplots (pdf)

### Relevant Cartoons, Sayings, & Mathematical Curiosities

• Cartoon about the Mean versus Median (pdf)
• Cartoon about Summarization of Data (pdf)
• Using Averages and Sums (pdf)
• The "Silliness of Reality" Comment (pdf)
• Did the Dog Destroy Your Homework? (pdf)
• Using a Computer for Your Homework? (pdf)
• Studying as a Random Phenomenon (pdf)
• You are Probably Here (pdf)
• Everyone has a Lucky Number (pdf)
• How to Double Your Chance of Winning a Race (pdf)
• When Nothing is Something (pdf)
• How Much Detail is Needed in Homework? (pdf)
• Success-Failure Trials (pdf)
• Normal Curves are Everywhere? (pdf)
• Fun with Factorials? (pdf)
• Washington, Lincoln, and Math (pdf)
• Generating Randomness -- Monte Carlo Simulation (pdf)
• Calculus on a Rainy Day? (pdf)
• Grading on a Curve (pdf)
• Another Discovery by Einstein (pdf)
• Does Population Size Matter? (pdf)
• Accuracy of Survey Data (pdf)

### Recommended Preparation for ALL Quizzes and Tests

• Attendance at class presentations -- notes on the board and words in the air