calculate difference means when groups have different (n)
 

I need to run a test for a diference between means when the groups have
different numbers (n). Please post to newsgroups or remove the pound sign
in return address.

calculate difference means when groups have different (n)
 

Fri, 20 Apr 2007 15:05:33 -0700 from Oscar :
I need to run a test for a diference between means when the groups have
different numbers (n). Please post to newsgroups or remove the pound sign
in return address.

Enable the Analysis Toolpak and Analysis Toolpak -VBA in Tools | Add-
ins. (If they're not listed there, you'll run the Office installer to
make them available.)

Then click Tools | Data Analysis and select one of the two-sample t
tests.

--
Stan Brown, Oak Road Systems, Tompkins County, New York, USA
http://OakRoadSystems.com/

calculate difference means when groups have different (n)
 

See Help for the TTEST worksheet function. Only Type=1 requires both groups
to be the same size.

Jerry

"Oscar" wrote:

I need to run a test for a diference between means when the groups have
different numbers (n). Please post to newsgroups or remove the pound sign
in return address.