Question

The sum of deviations of n observations from
25 is 25 and sum of deviations of the same
In observations from 35 is -25. find the mean
of the observations.
​

Answer 1

The sum of deviations of n observations from

25 is 25 and sum of deviations of the same

In observations from 35 is -25. find the mean

of the observations.