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January 31, 2015

January 31, 2015

Posted by **melba** on Monday, June 11, 2012 at 4:44pm.

- college statistics -
**PsyDAG**, Tuesday, June 12, 2012 at 12:32pmZ = (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.

However, since mean = 28, and in a normal distribution, the mean = median, and the median = 50th percentile, you would have your answer.

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