the sum of the deviations of a set of values x1,x2,x3,....xn measured from 50 is -10 and the sum of deviations of the value from 46 is 70. the mean is ____. can somone plz tell me how do we solve such sums??

Sum of divisions of x 1x 2 ..... x n from 50 is -10.

Similarly,

https://s3mn.mnimgs.com/img/shared/discuss_editlive/1910069/2012_08_17_14_32_00/mathmlequation8664566571834211532_5932233194224121829.png

From (1) and (2) we get

https://s3mn.mnimgs.com/img/shared/discuss_editlive/3021597/2012_08_17_12_17_33/mathmlequation5690950312630039273.png

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