[R] relationship between t-test CI and SEM?

From: Rob Campbell <stats_at_robertcampbell.co.uk>
Date: Mon, 10 Mar 2008 00:18:41 -0400


I have what is probably a stupid question but I'm confused so here goes:

I have tried this in both R and matlab with the same results. So I think I'm calculating things right. Am I misinformed about the interpretation of the SEM? What are the confidence limits returned by the t-test (they bear no relationship to the SEM)?



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