Sal picked three submissions to our first programming challenge and made companion videos for them.
Congratulations to our challenge champs: Peter Collingridge, tetef, and Justin Helps!
Thanks to everyone who spun off a program for the challenge!
Peter Collingridge
View Peter’s simulation at http://www.khanacademy.org/cs/challenge-unbiased-estimate-of-population-variance/1169428428
tetef
View tetef’s simulation at http://www.khanacademy.org/cs/will-it-converge-towards-1/1167579097
Justin Helps
View Justin’s simulation at http://www.khanacademy.org/cs/unbiased-variance-visualization/1167453164