Wisdom of the Crowds competition - the answer

Duration: 7 mins 33 secs
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Description: QED Gold: Originally uploaded 24th June 2011

We reveal the answer to my Wisdom of the Crowds competition. I asked you to guess how many jellybeans were in a jar. How close was the wisdom of the crowd, but first we need to answer - which average should we use?
 
Created: 2011-11-14 11:59
Collection: Quite Easily Done
Publisher: University of Cambridge
Copyright: Dr J.R. Grime
Language: eng (English)
Keywords: maths; math; mathematics; problem; puzzle; wisdom of the crowd; Francis Galton; James Grime; David Spiegelhalter; statistics; probabillity; average; mean; mode; geometric; log-normal; normal distribution; logarithm; log;
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