The mean of `n` observations is ` X dot` If each observation is multiplied by `k ,` the mean of new observation is `k X ` (b) `( X )/k` (c) ` X +k` (d) ` X -k`

There are 7 observations in the data and their mean is 11. If each observation is multiplied by 2, then the mean of new observations is 11 (b) 13 22 (d) 5.5

There are 7 observations in the data and their mean is 11. If each observation is multiplied by 2, then the mean of new observations is (a) 11 (b) 13 (c) 22 (d) 5.5

Choose the correct option. If the mean of x observation is p and each observation is multiplied by k. Then the new mean will be

The A.M. of n observation is X. If the sum of n-4 observation sis K, then the mean of remaining observations is

The mean of a set of observations is a . If each observation is multiplied by b and each product is decreased by c , then the mean of new set of observations is

The mean of a set of observations is a . If each observation is multiplied by b and each product is decreased by c , then the mean of new set of observations is

Mean of a certain number of observations is x . If each observation is divided by m(m!=0) and increased by n , then the mean of new observation is (a) ( x )/m+n (b) ( x )/n+m (c) x +n/m (d) x +m/n

Mean of a certain number of observations is x . If each observation is divided by m(m!=0) and increased by n , then the mean of new observation is (a) ( x )/m+n (b) ( x )/n+m (c) x +n/m (d) x +m/n

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 a set of observation is a. If each observation is multiplied by b and each product is decreased by c, then the mean of new set of observations is ______.