Khan/khan-exercises — Issue #12085: Standard deviation - Unclear to me
Author: KhanBugz
Created: 2012-01-25 16:54:46+00:00
State: open
Labels: firefox, hard, vista

I do not get it. make a standard deviation 0.5 or some thing it makes no sense!

[standard_deviation.html?seed=56&problem=population](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/standard_deviation.html?seed=56&problem=population&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/standard_deviation.html?seed=56&problem=population&debug&activity=%5B%5D)

[]

Mozilla/5.0 (Windows NT 6.0; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

MathJax is loaded, ready, queue length: 0