Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

Re: st: When is the t-test appropriate?

From   Ricardo Ovaldia <[email protected]>
To   [email protected]
Subject   Re: st: When is the t-test appropriate?
Date   Thu, 29 Aug 2002 09:43:08 -0700 (PDT)

--- Jon Wainwright &lt;[email protected]&gt;
&gt; I would like to compare the means of two very
&gt; random samples (n1=3,
&gt; n2=7). Both samples were drawn from populations
&gt; unknown distribution. 

With that size (3 &amp; 7)I would not use an
asymptotic test. Use a non-parametric Mann-Whitney U
(wilcoxon)test. See the -ranksum- command in Stata.


Center for Applied Research
University Hospital
Oklahoma City,OK

Do You Yahoo!?
Yahoo! Finance - Get real-time stock quotes
*   For searches and help try:

© Copyright 1996–2024 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index