A coin-flipping exercise to introduce the p-value


Authors: 
Maxwell, N. P.
Category: 
Volume: 
2(1)
Pages: 
Online
Year: 
1994
Publisher: 
Journal of Statistics Education
URL: 
http://www.amstat.org/publications/jse/v2n1/maxwell.html
Abstract: 

The p-value can be introduced with a coin flipping exercise. The instructor flips a coin ten times and has a student call each flip. The students record their thoughts after each flip. The instructor reports that the caller calls every flip correctly. In this exercise students intuitively reject a null hypothesis because the p-value is too small. Students are reassured to learn from this concrete example that they intuitively followed the logic of statistical inference before they studied statistics.

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