In the Oct. 9, 2000 New Yorker (p. 33), James Surowiecki wrote of an "old
B-school stunt, in which a professor presents his students with a jar full
of jelly beans and asks them to guess how many there are. Their answers are
always wildly inaccurate, but the average of those guesses--the class's
collective guess-- is invariably within three per cent of the correct
number."
Does anyone have either a citation for this "stunt," a discussion of the
lesson's goals, or a business school topic name with possibly the name of a
B-school textbook that might discuss the statistics behind this? If so,
please email me.
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