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

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

The mean of 11 items overline(X) . If first item is increased by 1, second item by 2 and so on, then new mean becomes lamda more than overline(X) and lamda is

The mean of 11 items overline(X) . If first item is increased by 1, second item by 2 and so on, then new mean becomes lamda more than overline(X) and lamda 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

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 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 . . . .