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April 2, 2015

April 2, 2015

Posted by **Winona** on Friday, June 6, 2014 at 10:37pm.

- statistics -
**PsyDAG**, Saturday, June 7, 2014 at 1:22pmFind table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.01 for two-tailed) and its Z score (score in terms of standard deviations).

98% = mean ± 2.33 SEm

SEm = SD/√n

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