# Reference Material

• ### Cartoon: Meaningless Statistics

A cartoon that can be used in teaching about summary statistics. 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.
• ### Joke: Light Bulb

A statistics realted lightbulb joke connected to a key percentile of the normal curve.

• ### Joke: modeling clothes

A quick pun about modeling and examining lack of fit by Bruce White
• ### Joke: Weighing Trees

A quick pun about the "log scale" by Bruce White
• ### Joke:car sales trends

A quick pun about "autocorrelation" by Bruce White.
• ### Quote: Fisher on Observation versus Experiment

That's not an experiment you have there, that's an experience. Ronald A. Fisher (1890-1962.) Quoted in "Statistics", third edition, by David Freedman, Robert Pisani, and Roger Purves (Norton, 1998)
• ### Calculator Instructions for Elementary Statistics

This website provides links to instructions for performing basic statistics such as confidence intervals, hypothesis tests, discrete distributions, linear regression, etc. for TI 83, TI 84, and TI 86 calculators.
• ### Blindfold Climbers

This article, in a series, describes a game, which tests opposing strategies through aspects of experiemental design.
• ### Deriving Regression Lines Without Calculus

This article describes a method to calculate the least squares line algebraically. First, the author uses a numeric example, which uses calculus, then describes a simpler algebraic method.
• ### Making Students Aware of Bias

The following exercise can illustrate the problem of bias in estimators to students in statistics courses. In some advanced courses an alternative estimator may be presented and properties of this estimator may be investigated via Monte Carlo studies.