1.

The mean of 30 number is 18. what will be the new mean, if each observation is increased by 2​

Answer»

ANSWER:

27

Step-by-step explanation:

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

I hope it HELPS u ✌️✌️❣❣☺️........



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