Homework Help: math

Posted by coal on Tuesday, April 24, 2012 at 10:56pm.

The mean of a set of 51 data points is 3.04. If a data value of 16 were added to the data set, what would be the approximate value of the new mean?

math - PsyDAG, Wednesday, April 25, 2012 at 11:00am
Mean = Σx/n

3.04 = Σx/51

Solve for Σx, then

Mean = (Σx+16)/(n+1)

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