Webinar: Taking your Class for a Walk ... Randomly

An important idea in statistics is that the amount of data matters. We often teach this with formulas --- the standard error of the mean, the t-statistic, etc. --- in which the sample size appears in a denominator as √n. This is fine, so far as it goes, but it often fails to connect with a student's intuition. In this presentation, I'll describe a kinesthetic learning activity --- literally a random walk --- that helps drive home to students why more data is better and why the square-root arises naturally and can be understood by simple geometry. Students remember this activity and its lesson long after they have forgotten the formulas from their statistics class.
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October 27, 2009 Activity webinar
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Author Name: 
Daniel Kaplan
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Source Code Available
Intended User Role: 
Teacher
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Yes
Cost: 
Free for Nonprofits
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