Thank you, this was very helpful. After some quick searches and http://en.wikipedia.org/wiki/Chebyshev%27s_inequality I now also know where the "off by square root of sample size" rule comes from.
I stand corrected and very happily so.
Thank you, this was very helpful. After some quick searches and http://en.wikipedia.org/wiki/Chebyshev%27s_inequality I now also know where the "off by square root of sample size" rule comes from.
I stand corrected and very happily so.