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July 23, 2014

July 23, 2014

Posted by **Tracer** on Saturday, February 6, 2010 at 6:05pm.

- statistics -
**PsyDAG**, Sunday, February 7, 2010 at 10:56amMean = Σx/n

6 = Σx/20

Σx = 120

new Σx = 120 + 27 and new n = 21

Use the above equation to calculate new mean.

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