Question

The mean of a given set of observations is 30. If each observation is

increased by 3, find the mean of the new observations.​

Answer 1

Answer:

Correct option is

A

27

The mean of 20 observation is 25

∴ Sum of 20 observations =20×25=500

⇒ New sum of 20 observations after increasing each observation by 2 =(2×20)+500=40+500=540

⇒ Required mean =

20

540

=27

Step-by-step explanation:

THANKS

HAVE A NICE DAY

Answer 2

Answer: hi, malayayali ananthu thonthualo .

Step-by-step explanation: