Re: Confidence interval is mathematically equivalent to hypothesis test

[Dr. Oliver Walter]

Am 14.10.2018 um 09:41 schrieb John Darrington:

> Which is why I suggested using one of the CDF functions.
> There is no T function, but there is a F function, which I think is the
> same if you set DF2 to 1.  But you probably know better than me about
> those details.  Perhaps IDF.F (0.05, N -1, 1) is what Werner wants (I
> haven't tried it)?

Ok. I see. I think the t distribution is implemented in PSPP. 
IDF.T(0.975, n-1) gives the correct t value for a 95% CI. Werner could 
try it.