A webpage in which links are provided to histograms of sample statistics (mean, median, standard deviation, maximum etc.) as a function of sample size. Each time the REFRESH button is clicked a new set of 2000 samples is generated.
A song to stress the importance of modeling in statistical analyses. Sung by Canadian singer Gurdeep Stephens. Lyrics copyright and music performed by Michael Greenacre of Pompeu Fabra University, Barcelona, Spain. May be sung to the tune of Duke Ellington and Irving Mills' 1932 big band standard "It Don't Mean a Thing (If It Ain't Got That Swing)"
A cartoon to teach about using summary statistics to draw out the salient features of a data set. 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 to help students remember that about 95% of data in a symmetric histogram lies within 2 standard deviations of the mean. 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 that might be used when presenting a coin flip as a canonic example of a simple experiment in introducing probability concepts. The cartoon is #16 in the "Life in Research" series at www.vadio.com. Free to use with attribution in the classroom or on course websites.
A cartoon to teach about outliers in scatterplots. The cartoon is #114 in the "Life in Research" series at www.vadio.com. Free to use with attribution in the classroom or on course websites.
A cartoon that might be used in discussing excessive interim analyses. The cartoon is #24 in the "Life in Research" series at www.vadio.com. Free to use with attribution in the classroom or on course websites.
A cartoon that might be used in teaching about the importance of replication in experimentation. The cartoon is #58 in the "Life in Research" series at www.vadio.com. Free to use with attribution in the classroom or on course websites.
A cartoon to teach about publication bias. The cartoon is #4 in the "Life in Research" series at www.vadio.com. Free to use with attribution in the classroom or on course websites.
A cartoon to teach the importance of including error bars to show the level of chance variation - as opposed to showing only the possibly strong trend that might be shown by averages. The cartoon is #22 in the "Life in Research" series at www.vadio.com. Free to use with attribution in the classroom or on course websites.
