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July 29, 2014

July 29, 2014

Posted by **Sharon** on Wednesday, July 27, 2011 at 2:40am.

- Statistics -
**Dr Russ**, Wednesday, July 27, 2011 at 6:41amThe sum of a series of integers (1,2,3.. n)is

n(n+1)/2

so the mean is the total/n, hence

n(n+1)/2n

=6n/11

solve for n

I got n=11

- Statistics -
**Anonymous**, Wednesday, July 27, 2011 at 11:07amThank you

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