Question

eased by 1.
each statement :
(5. The mean of n observations is x. If the first observation is increased bu
second by 2 and so on, the new mean is ..........
A. x + r B. x + 1/2 c. x + 2+1 D.X
0​

Answer 1

The new mean will be [x + {(n + 1 )/2}]

For step by step solution please refer to the attachment.

Hope it helps.