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------- Additional comments from drk...@openoffice.org Sat Aug 22 21:27:20 
+0000 2009 -------
Hi Regina

I think you mean 'z-score' rather than 'z-core'.

For your short form version, we really should make clear that this is a sample,
not the entire population.

There's a real problem understanding the function, because Excel has described
it incorrectly, and it also doesn't work as you might expect.

So my inclination is to use more words, rather than try to be succinct. I do
find the diagrams helpful for this, to highlight the difference between
one-sided and one/two-tailed. I'd suggest that it's helpful to be very clear
that this is not a one- or two-sided test - although I'd also be happy if we
simutaneously avoided the 'one-sided' label.

D


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