A 2020 cartoon illustrating the idea of heteroscedasticity (non-constant variance) that might be used to start a discussion on the important of the constant variance of errors in making inferences from regression models. The cartoon was used in a 2021 Teaching Statistics paper "Statistical edutainment that lines up and fits," by Dennis Pearl from Penn State University and Larry Lesser from The University of Texas at El Paso.
A cartoon that can used to help discuss the difference between large and small datasets and the kinds of issues involved in analyzing them and the questions that can be answered with them. The cartoon was used in the April 2020 CAUSE cartoon caption contest and the winning caption was written by Eric Vance from the University of Colorado Boulder. The cartoon was drawn by British cartoonist John Landers (www.landers.co.uk) based on an idea by Dennis Pearl from Penn State University.
A cartoon using a pun on the need for a key in a graph, and a way to support a discussion of the importance of properly labelling any graphical display. The cartoon was used in the March 2020 CAUSE cartoon caption contest and the winning caption was written by Jason Hu, a student at Strath Haven High School in Pennsylvania. The cartoon was drawn by British cartoonist John Landers (www.landers.co.uk) based on an idea by Dennis Pearl from Penn State University.
A cartoon designed to support a discussion of using dummy variables to code for categories of a categorical variable in a regression model (e.g. 5 are needed when there are 6 categories). The cartoon was used in the February 2020 CAUSE cartoon caption contest and the winning caption was written by Dominic Matriccino, a student at the University of Virginia. The cartoon was drawn by British cartoonist John Landers (www.landers.co.uk) based on an idea by Dennis Pearl from Penn State University. A second winner in the February 2020 contest was "The grass really is greener on the homogeneity side," written by Jennifer Ann Morrow, an instructor from University of Tennessee. Jennifer's cartoon caption can be used in discussing the importance of within-group variability in judging differences between groups and the difficulty when the groups being compared have different levels of variability.
A cartoon that can be used to motivate the importance of statistics in making decisions. The cartoon was used in the January 2020 CAUSE cartoon caption contest and the winning caption was written by Douglas VanDerwerken, an instructor at the United States Naval Academy. The cartoon was drawn by British cartoonist John Landers (www.landers.co.uk) based on an idea by Dennis Pearl from Penn State University.
A cartoon that supports the importance of coding, and the how statistical computations and simulations using technology has created a variety of new possibilities in statistics. The cartoon was used in the December 2019 CAUSE cartoon caption contest and the winning caption was written by Nicholas Varberg, a student at the University of Colorado Boulder. The cartoon was drawn by British cartoonist John Landers (www.landers.co.uk) based on an idea by Dennis Pearl from Penn State University.
A cartoon that can be used to motivate the importance of statistics in gleaning understanding from the large amounts of data in the modern world. The cartoon was used in the November 2019 CAUSE cartoon caption contest and the winning caption was written by Shawn Orton, an instructor at the Waterford School. The cartoon was drawn by British cartoonist John Landers (www.landers.co.uk) based on an idea by Dennis Pearl from Penn State University.
A cartoon that links well with the famous Isaac Newton apple tree fable and can be used for discussing the importance of data to speed innovation in any discipline from science to business to public policy. The cartoon was used in the October 2019 CAUSE cartoon caption contest and the winning caption was written by Eric Vance from University of Colorado Boulder. The cartoon was drawn by British cartoonist John Landers (www.landers.co.uk) based on an idea by Dennis Pearl from Penn State University.
A cartoon that can be used for discussing data wrangling issues involved with bringing together data of varying file formats, naming conventions, and columns and transforming it into one cohesive data set. The cartoon was used in the September 2019 CAUSE cartoon caption contest and the winning caption was written by Larry Lesser from University of Texas at El Paso. The cartoon was drawn by British cartoonist John Landers (www.landers.co.uk) based on an idea by Dennis Pearl from Penn State University.
A cartoon that can be used for discussions that compare and contrast survey samples versus a census. The cartoon was used in the August 2019 CAUSE cartoon caption contest and the winning caption was written by Jim Alloway from EMSQ Associates. The cartoon was drawn by British cartoonist John Landers (www.landers.co.uk) based on an idea by Dennis Pearl from Penn State University.