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December 21, 2014

December 21, 2014

Posted by **James** on Friday, December 2, 2011 at 2:11pm.

- stats -
**PsyDAG**, Saturday, December 3, 2011 at 4:55pmIt would help if you proofread your questions before you posted them.

What is an "r tailed test"?

I don't use a calculator. I look it up on a "t table" in the back of my statistics text.

df = n-1 = 8

For t = 3.204 with 8 df, .05 > p > .01

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