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Finding Mean

Please explain how to do this in simple terms. I am getting stuck after it ask when there is a change in x.
The question is like this...

Sample score of n=6, smallest score is x=3, largest x=10 and mean M=6. If the largest one is changed from x=10 to x=22 what is the new mean?

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Solution Summary

This solution explains how to find new mean when one of scores is changed.