# Tutorial

• ### Song: Statistition

A song parody by Steve Snodergren (a.k.a. Al G Bra: see www.reverbnation.com/algbra) that may be sung to the tune of "Superstition" by Stevie Wonder. Much of the song relates to concepts about summary statistics and taking a cautious approach to interpreting such summaries. This song appears on Al G Bra's "Old-Time Radical" CD.
• ### Cartoon: Multiple Testing Animation

A three slide animation dealing with the multiple testing issue of getting false positives when a large number of tests are conducted. The cartoon animation was drawn 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.
• ### Quote: Brown on Normal

Normal is the average of deviance is a quote by American writer and political activist Rita Mae Brown (1944 - ). The quote may be found on page 126 of her 1993 novel "Venus Envy", spoken by the main character Mary Frazier Armstrong.
• ### Quote: Bigelow on Cause and Effect

It is a common error to infer that things which are consecutive in the order of time have necessarily the relation of cause and effect. is a quote by American botanist and medical educator Jacob Bigelow (1787 - 1879). The quote appears on page 41 of his 1859 book "Nature in Disease: illustrated in various discourses and essays".
• ### Quote: von Neumann on Overfitting

I remember my friend Johnny von Neumann used to say, with four parameters I can fit an elephant, and with five I can make him wiggle his trunk. includes the quote attributed to Hungarian-American mathematician John von Neumann (1903 - 1957). The full quote was relayed by Enrico Fermi in 1953 when he was asked about the value of a result that used four free parameters in fitting experimental results. (see "A meeting with Enrico Fermi" "Nature" 427: p. 297.)
• ### Joke: Luck and the Horseshoe

This anecdote about luck and the horseshoe is found in "Bartlett's Book of Anecdotes" (2000: page 68).
• ### Webinar: Using Data from the Federal Statistical System to Inspire Students

Statistics educators are keenly aware of the value of using real data to help students see the relevance and applicability of statistics. The federal statistical agencies have invested in significant efforts to make data accessible and available. In this webinar, Ron Wasserstein will point you to these resources, discussing their uses and limitations.
• ### Quote: Machol on Coincidences

Most accidents in well-designed systems involve two or more events of low probability occurring in the worst possible combination. is a quote by American systems engineering expert Robert E. Machol (1917 - 1998). The quote is found in his 1975 column "Principles of Operations Research" for the journal "Interfaces" vol. 5, pages 53-54 (this column was titled "The Titanic Coincidence."
• ### Webinar: Over the HILS: Learned Helplessness in Statistical Instruction

Brandon Vaughn from the University of Texas: Some students in statistics classes exhibit behaviors that share characteristics with the established construct of learned helplessness. This webinar will discuss this phenomenon, and detail an instrument recently developed which measures this (HILS: Helplessness in Learning Statistics).
• ### Quote: Holmes on Certainty

Certitude is not the test of certainty. We have been cock-sure of many things that were not so. is a quote of American Supreme Court Justice Oliver Wendell Holmes, Jr. (1841 - 1935). The quote is found in an article written by Justice Holmes in 1918 for the "Harvard Law Review" v. 32, page 40. The quote is also found in the book "Statistically Speaking, a Dictionary of Quotations" by Carl Gaither and Alma Cavazos-Gaither.