Q .     In a set of 2n distinct observation, each of the observation below the median of all the observations is increased by 5 and each of the remaining observations is decreased by 3. Then the mean of the new set of observations :

JEE 2014 Mains Paper - 3
A

Increases by 1.

B

Decreases by 1.

C

Decreases by 2.

D

Increases by 2.

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