Question

152. The mean 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

Step-by-step explanation:

u have jsns9skwmsi you doing today152. The mean 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%.