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1998 Feb 22
0
R-beta: t.test in R
...}
I say this problem is LATENT in the code, because it is very rare indeed
to apply the two-sample t-test with a proposed null-value for the difference
of the means of the populations from which the samples came different from 0.
Nevertheless if such a case were analysed, with a straightforwardd two-sided
alternative, one would expect the confidence interval for the difference of
the
population means given as part of the output to be centred on the
difference of
the sample means observed. Instead the same anomalous behaviour is of course
apparent as in the one-sample case as the following...