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April 25, 2014

April 25, 2014

Posted by **ruby** on Wednesday, May 1, 2013 at 10:01am.

- math (incomplete) -
**PsyDAG**, Wednesday, May 1, 2013 at 1:12pm90% = mean ± 1.645 SEm

SEm = SD/√n

You need to know mean, SD and n for your sample.

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