Current time:0:00Total duration:4:30

0 energy points

# Simulation providing evidence that (n-1) gives us unbiased estimate

Simulation by KA user tetef showing that dividing by (n-1) gives us an unbiased estimate of population variance. Simulation at: http://www.khanacademy.org/cs/will-it-converge-towards-1/1167579097. Created by Sal Khan.