On 25/02/2013 6:13, Ray Koopman wrote: > On Feb 24, 5:08 pm, Cristiano <cristi...@NSgmail.com> wrote: >> >> I randomly pick 3 numbers in U(0,1) and I get, for example, sd= .1234, >> but we know that the expected sd is .288675. How good .1234 is? Is there >> any way to calculate a p-value which says how good is .1234? > > What other information is available about the sample besides its n and > sd? Its mean, range, min, max, ... ?
I know all the n numbers in the sample and hence I can calculate anything.