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July 29, 2014

July 29, 2014

Posted by **maha** on Wednesday, October 12, 2011 at 12:52pm.

- statistics -
**PsyDAG**, Thursday, October 13, 2011 at 12:10pmMean = Σx/n

1000 = (800+1200+1300+900+x)/5

Solve for x.

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