The mean of n observations x1, x2,. …, xn is x. If each observation is decreased by p, then show that the mean of the new observations is (x - p).
If each observation is decreased by p, then new observations become x1-p,x2-p,…xn-p
The mean of n observations x1, x2,. …, xn is x. If each observation is decreased by p, then show that the mean of the new observations is (x - p).
If each observation is decreased by p, then new observations become x1-p,x2-p,…xn-p