A cartoon to use when talking about confidence intervals. 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.
A cartoon to help in teaching the importance of labeling the axes of a graph. The cartoon is number 833 (December 2010) from the webcomic series at xkcd.com created by Randall Munroe. Free to use in the classroom and on course web sites under a creative commons attribution-non-commercial 2.5 license.
All life is an experiment. The more experiments you make the better. is a quote by American author and poet Ralph Waldo Emerson (1803 - 1882). The quote was written as a journal entry on November 11, 1842.
Don 't worry about polls, but if you do, don't admit it. is a quote by former First Lady Eleanor Rosalynn Smith Carter (1927 - ).