The mean of 18 observation is 7 and if each observation 5 is added, then the new mean will be

The mean of 10 observations is 15. If one observation 15 is added, then the new mean is 16 (b) 11 10 (d) 15

The mean of 10 observation is 15. If one observation 15 is added, then find the new mean.

The mean of 10 observations is 15. If one observation 15 is added, then the new mean is (a) 16 (b) 11 (c) 10 (d) 15

The mean of 7 observations is 7. If each observation is increased by 2, then the new mean is

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 mean of 15 observation is 23. If each obsevation is multiplied 2, then new mean is .

The mean of 20 observations is 45. If each observation is divided by 3, the new mean is 15

The mean of 5 observations is 3 and if one more observation is added, the mean becomes 3 . 5. Find out the value of new observation .

The mean of n observations is x. If k is added to each observation,then the new mean is X (b) X+k(c)X-k(d)kX