Message-ID: <loom.20071210T111634-215@post.gmane.org>
Date: 2007-12-10T11:19:18Z
From: Dieter Menne
Subject: Estimating the variability of a population by one sample?
Tony zeng <xh.along <at> gmail.com> writes:
> I am meetting one problem.I am estimating the variability of a
> population using one sample.I must do two-side and one-side hypothesis
> test,and estimate the confidence interval,But I don't know which
> function I can use !
You should describe your problem a bit more clearly, best by giving a sample
set, and how the result should look like. With a bit of guesswork, the
following might come close to what you want :
t.test(rnorm(100,0.21))
rnorm() generates the test vector, put your data there instead.
Dieter