Paired difference hypothesis test?

look at TTEST in excel Help.

--
Regards,
Tom Ogilvy


"paj" wrote:

I have pre-post tests that I would like to enter into an excel spreadsheet.
I know how to code but do not know how to write a formula that will show me
what differences occurred in knowledge gained from the pre test to the post
test. In other words, did students do better or worse?
--
Keep on smiling!