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August 29, 2015

Homework Help: maths

Posted by Anonymous on Sunday, September 5, 2010 at 1:26pm.

these numbers:
20,17,21,15,16,15,12,14,15,19,21,17,20,22,16,
19,21,13,22,14,15,18,20,13,18,16,15,19
the mean is 17.25
the range is 10
what would you give as the pass mark?

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