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December 21, 2014

December 21, 2014

Posted by **shweta** on Wednesday, February 15, 2012 at 11:57pm.

- statistics -
**PsyDAG**, Thursday, February 16, 2012 at 12:08pmMean = Σx/n

50 = Σx/40

Σx = 2000

49.5 = (2000-65+x)/40

Solve for x.

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