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The mean of 30 number is 18. what will be the new mean, if each observation is increased by 2 |
Answer» 27Step-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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