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January 30, 2015

January 30, 2015

Posted by **Anonymous** on Sunday, March 28, 2010 at 8:48am.

- statistics -
**PsyDAG**, Monday, March 29, 2010 at 1:50pmZ = (x - μ)/SD

Z = (20.75 - 22)/.5

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

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