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January 25, 2015

January 25, 2015

Posted by **Jen** on Sunday, October 30, 2011 at 9:01pm.

I. Find the standard score (z) for a data value = 20.

II. Find the probability of a data value < 20.

- MATH -
**PsyDAG**, Monday, October 31, 2011 at 2:00pmZ = (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 score.

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