The mean of n observation is `barX`. If the first observation is increased by `1^(2)`, second by `2^(2)` and so on, then the new mean is

The mean of n observations is bar(x) . If the first observation is increased by 1, the second by 2 and so on, the new mean is . . . .

The mean of n observation is a. If the 1st observation is increased by 1, second by 2 and so on, then new mean is

If the first item is increased by 1, second by 2 and so on, then the new mean is

The mean of n observations is barX . If the first item is increased by 1, second by 2 and so on, then the new mean is___

The mean of n observations is X . If the first item is increased by 1, second by 2 and so on, then the new mean is (a) X +n (b) X +n/2 (c) X +(n+1)/2 (d) None of these

The mean of n observations is X .If the first item is increased by 1,second by 2 and so on, then the new mean is X+n( b) X+(n)/(2)(c)dot X+(n+2)/(2) (d) None of these

The mean of n terms is bar(x) If the first term is increased by 1, second by 2 and so on, then the new mean is