Mean of 20 observations is 75 .If each observation is divided by 3, find the new mean .
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The mean will also get divided by 3.
So New mean is :-
So New mean is :-
vinayyadav9871320043:
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Mean of 20 observation =75
Sum of observations =75×20=1500
Each observation is divided by 3
So,1500 will also divided by 3=1500/3=500. New mean =500
Sum of observations =75×20=1500
Each observation is divided by 3
So,1500 will also divided by 3=1500/3=500. New mean =500
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