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# Resource Library

#### Statistical Topic

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• ### Joke: The Virus

A joke to use in presentations about the importance of control and replication in experimentation.  The joke was written by Larry Lesser (The University of Texas at El Paso) and Dennis Pearl (Penn State University) in March 2020.

• ### Cartoon: The Mars Orbiter

A cartoon to initiate discussions about how the correlation is a unitless number that does not change with changes in the units of the variables involved.  The cartoon was created in February 2020 by British caetoonist John Landers based on an idea by Dennis Pearl (Penn State) and Larry Lesser (Univ of Texas at El Paso). An outline of a lesson plan for the use of the cartoon is given in a 2020 Teaching Statistics article by Dennis Pearl and Larry Lesser.

• ### Joke: Inequality Language

A joke about the meaning of an inequality symbol like ≤ written in February 2020 by Larry Lesser from The University of Texas at El Paso and Dennis Pearl from Penn State University.

• ### Joke: Teaching Methods

A joke to help in discussions of the value of random assignment in experiments and in discussing pedagogical options.  The joke was written by Larry Lesser from The University of Texas at El Paso in February 2020.

• ### Joke: Settling an Argument

A joke to help discuss how random assignment is an unbiased experimental method.  The joke was written by Dennis Pearl from Penn State University in February 2020.

• ### Poem: Systematic Sample From a Children's Song

A poem written in 2019 by Larry Lesser from The University of Texas at El Paso to discuss systematic sampling.  Students should be familiar with the lyric being sampled from (though you could provide it to make sure) and verify that the systematic sample involved sampling every third word and starting with the lyric’s first word. Students could create their own poems with different systematic samples (or different text to sample from).  The poem is part of a collection of 8 poems published with commentary in the January 2020 issue of Journal of Humanistic Mathematics.

• ### Poem: Worry Lines

A poem written in 2019 by Larry Lesser from The University of Texas at El Paso to discuss the normal distribution and its percentiles.  Students could first be shown a copy of the National Center for Health Statistics growth chart graph paper so they will appreciate the details of the poem. And after reading or hearing the poem, students could verify the detail that the 40th and 60th percentiles are half a standard deviation apart. The poem is part of a collection of 8 poems published with commentary in the January 2020 issue of Journal of Humanistic Mathematics.

• ### Poem: This Function Dysfunction

A poem written in 2019 by Larry Lesser from The University of Texas at El Paso to discuss the simplest case of line of fit where the slope and correlation coefficients each have a value of 0.  The poem is part of a collection of 8 poems published with commentary in the January 2020 issue of Journal of Humanistic Mathematics.

• ### Poem: Fast Facts

A poem written in 2019 by Larry Lesser from The University of Texas at El Paso.   The poem can be a vehicle to discuss the terms and language and is part of a collection of 8 poems published with commentary in the January 2020 issue of Journal of Humanistic Mathematics.

• ### Poem: Fail to Reject

A poem written in 2019 by Larry Lesser from The University of Texas at El Paso to discuss statistics examples involving social justice, inspired by his paper in March 2007 Journal of Statistics Education. The poem is part of a collection of 8 poems published with commentary in the January 2020 issue of Journal of Humanistic Mathematics.