Khan/khan-exercises — Issue #9482: Exploring mean and median - Impossible answer
Author: KhanBugz
Created: 2011-12-25 02:23:12+00:00
State: open
Labels: ie8, ie9, win7, wrong-or-unclear

mean is −1.2000000000000001 negative?
median is 1.5.
positive

[exploring_mean_and_median.html?seed=45&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/exploring_mean_and_median.html?seed=45&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/exploring_mean_and_median.html?seed=45&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B-4.5%2C-1.5%2C-1.5%2C-1.5%2C2.5%2C5.5%2C5.5%2C0.5%2C3%2C4%5D%22%2C74%5D%2C%5B%22hint-activity%22%2C%220%22%2C1%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%5D)

[[-4.5,-1.5,-1.5,-1.5,2.5,5.5,5.5,0.5,3,4]]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E; Media Center PC 6.0; MASA)

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