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September 30, 2014

September 30, 2014

Posted by **Ann** on Saturday, April 9, 2011 at 10:05am.

can someone tell me how to do this.

- percentile rank -
**drwls**, Saturday, April 9, 2011 at 10:43amIt's about 62.3%. That is the fraction with LOWER z-scores.

I used an online normal distribution calculator.

Try the one at

http://davidmlane.com/hyperstat/z_table.html

There are many others you can find with Google.

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