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.

Does knowledge of past years affect the Keynesian Beauty Contest result? – MathemafricaAugust 6, 2016 at 2:36 pm[…] 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 […]

2017 2/3rds numbers game – MathemafricaSeptember 22, 2017 at 8:51 am[…] 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. […]