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February 28, 2015

February 28, 2015

Posted by **Emily** on Monday, October 24, 2011 at 2:27pm.

- statistics -
**PsyDAG**, Tuesday, October 25, 2011 at 2:55pmZ = (score-mean)/SEm

SEm = SD/√(n-1)

Change all into minutes and calculate Z.

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.

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