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May 22, 2015

Homework Help: math

Posted by Helen on Tuesday, April 21, 2009 at 9:08pm.

Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the final data set, which of the following expressions gives the mean of the original set in terms of 'm'?

~why is the answer (1/2)(m-5)?

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