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megahard
Tue 22nd Jun '04, 3:35pm
K, I have an S2 exam tomorrow, and I need some help regarding single nd two tailed tests, i.e. What the hell is one?

I can't remember ever being taught this stuff ever, I just need to understand what it means, cause then maybe the theory will make some sense to me, thanks you

Lee

Jake Bunce
Tue 22nd Jun '04, 9:52pm
I have only taken one statistics course. I forget what two tailed tests are used for, but I remember you need to be careful when picking your Z values. The Z values for a % area under a curve are different for one and two tailed tests.