Here are the results of the numbers game we played in class. You were asked to guess a number between 0 and 100. The winner would be the person who guessed closest to two thirds of the average of everyone in the class. Here is a histogram of the guesses.
There was a single guess of 20, which was the eventual winner. There was also one of 20.333 but that was a smidgin off…
Congratulations to class rep Nic, who clearly had the best handle on the class!
See the history of this game here.
[…] the Keynesian Beauty Contest with my first year maths class. The discussion can be found here: http://www.mathemafrica.org/?p=11143 I wanted to know if, telling my class the results from last year (including sketching for them the […]
[…] This is the fourth year that I’ve played the 2/3rds numbers game with my first year maths class. I’m always interested to see how, knowing previous results will affect this year’s results. Of course I am sure that a great deal depends on exactly how I explain the game, and so I imagine that this is the largest confounding factor in this ‘study’. If you don’t know about the 2/3rds numbers game, take a look at the post here. […]