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January 30, 2015

January 30, 2015

Posted by **Sean** on Sunday, August 11, 2013 at 8:51pm.

Find the score which separates the top 10% of the scores from the lowest 90% of the scores.

- Math/Statistics -
**Reiny**, Sunday, August 11, 2013 at 8:56pmz-score for 90

= (90-82)/8 = 1

so don't even have to go to tables or charts, we are 1 standard deviation from 82, so

a score of 90 will do it

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