Re: Odd p values in t test
- From: "Rerics" <mccres@xxxxxxx>
- Date: 27 Sep 2005 13:29:26 -0700
LWn wrote:
> If you are using an unpaired ttest for a paired situation
> you are throwing information away.
> Your 1st dataset.
> Var2 - Var1 =
> +1.1
> +1.5
> +1.1
>
> Your 2nd
> +0.3
> +0.1
> -0.6
>
> If the assumptions for t-test are fulfilled then your p-values make sense.
> Or what do you think?
>
> HTH / LWn
>
I guess I just thought that the Var2-Var1 of 1.1, 1.5 and 1.1 (which
represents only a ~2% change) with such a small sample size would give
a much higher p value than 0.01.
Thanks for the fast response.
Randy
.
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