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In the latest version of Tinkerplots (Konold & Miller, 2002), we introduce a new type of graphic display - the "hat plot." The inclusion of this representation will undoubtedly provoke many skeptical questions by teachers, statistics educators and curriculum developers: "What re these? Are they in the Standards? Are they used by statistician?" Given that they are neither in the Standards nor in the statisticians' tool box, the reasonable next question is "Why are they in Tinkerplots, and what are we supposed to do with them?" In briefly responding to these questions, I offer a rational for hat plots and suggest possible uses in the data analysis curricula.
The CAUSE Research Group is supported in part by a member initiative grant from the American Statistical Association’s Section on Statistics and Data Science Education