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