Estimation Principles

• Cartoon: Estimating the Population Size

A cartoon to teach about the capture-recapture method to estimate population size. Cartoon by John Landers (www.landers.co.uk) based on an idea and sketch from Sheila O. Weaver (University of Vermont). This is part of a three cartoon set that took first place in the cartoon category of the 2007 A-Mu-sing competition. Free to use in the classroom and on course web sites.

• Cartoon: Regression Assumptions

A cartoon to teach about the distributional assumptions in linear models. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.
• Cartoon: Statistics Homework

A cartoon to help emphasize that success in understanding statistics relies on practice. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.
• Cartoon: Divorce Lawyers

A cartoon for teaching about probability rules for disjoint events and how they do not apply to events that overlap. Cartoon by John Landers (www.landers.co.uk) based on an idea from Paul Rosile (Franklin County, Ohio Board of Health). Free to use in the classroom and on course web sites.
• Cartoon: Damned Liars

A cartoon using a classic quote attributed to Benjamin Disraeli by Mark Twain (Samuel Clemens). Useful for illustrating that statistical methods designed to find truths in data can be abused to the opposite effect. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.
• Primer on 95% Confidence Intervals

This lecture example reviews the concept of CIs and their relationship to P values. Tables are provided in pdf format.
• Quote: Hawking on precision

Thirty years ago I was diagnosed with motor neurone disease, and given two and a half years to live. I have always wondered how they could be so precise about the half. A quote from a BBC interview (February 18, 1996) of theoretical physicist Stephen William Hawking (1942 - 2018).

• Cartoon: Boxplots

A cartoon to teach about using boxplots to summarize a distribution. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.
• Cartoon: Butter Usage Results

A cartoon to teach about the Margin of error in sample surveys. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.
• Cartoon: The Beta Distribution

A cartoon to teach about the Beta distribution. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). The idea for a cartoon series on distributions came from Pat McCann (Franklin Universiity). Free to use in the classroom and on course web sites.