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* _{1}, *x* _{2} ..... *x* _{n} from 50 is -10.

Similarly,

From (1) and (2) we get

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