Question

Suppose mean of a series is 30, the resultant mean in following cases. 1

(A) When all item of the series is increased by 3.

(B) When all item of the series decreased by 5.​

Answer 1

Answer:

case A ) 33

case b) 25

30 +3 =33 & 30-5 = 25

Answer 2

Answer:

here is your answer

Explanation:

A) 33

B) 25