Question

52. The mean of
of a certain number of
observations is 35. What is the new value of
the mean if each observation is :
(i) increased by 7. (ii) decreased by 5(iii) multiplied by 2(iv) divided by 5(v) increased by 20%
(vi) decreased by 30%.​

Answer 1

52. The mean of

of a certain number of

observations is 35. What is the new value of

the mean if each observation is :

(i) increased by 7. (ii) decreased by 5(iii) multiplied by 2(iv) divided by 5(v) increased by 20%

(vi) decreased by 30%.