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October 21, 2014

October 21, 2014

Posted by **john** on Thursday, May 16, 2013 at 7:37pm.

- math -
**PsyDAG**, Friday, May 17, 2013 at 12:32pmInterquartile range = middle 50%. Therefore you are speaking of mean (9) ± 3. What proportion are greater than 12 or less than 6?

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