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December 18, 2014

December 18, 2014

Posted by **Deborah** on Saturday, August 28, 2010 at 12:04pm.

- statistics -
**PsyDAG**, Saturday, August 28, 2010 at 12:56pmI don't know what the 17.0 signifies.

95% interval = mean ± 1.96 SEm (Standard Error of the mean)

SEm = SD/√(n-1)

99% interval = mean ± 2.575 SEm

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