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October 25, 2014

October 25, 2014

Posted by **kenneth** on Sunday, October 21, 2012 at 8:21pm.

- business statics (incomplete) -
**PsyDAG**, Monday, October 22, 2012 at 11:03amNeed a measure of central tendency (mean) and a measure of variability (standard deviation).

Z = (score-mean)/SD

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

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