Homework Help: statistics

Posted by Ruben on Saturday, February 26, 2011 at 9:48am.

in a distribution of scores with a mean of 1500 and a standard deviation of 250, what is the 95th percentile?

statistics - PsyDAG, Sunday, February 27, 2011 at 11:32am
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion and its Z score.

Z = (score-mean)/SD

Insert the values to find the score.

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