<PRE><B>Question 654014</B>
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If the mean of four data is 23, then the sum of the four data must be 4 times 23.  Multiply 4 times 23, then subtract the sum of 22, 19, and 25.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
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