http://en.wikipedia.org/wiki/Sample_size http://en.wikipedia.org/wiki/Sample_size http://en.wikipedia.org/wiki/Statistical_power http://en.wikipedia.org/wiki/S

http://en.wikipedia.org/wiki/Sample_size http://en.wikipedia.org/wiki/Sample_size http://en.wikipedia.org/wiki/Statistical_power http://en.wikipedia.org/wiki/Statistical_power Please educate yourself, and return if and when you have something useful to say.