Mean value of the weekly income of 40 families is 265. But in the calculation, income of 1 family was read as 150 instead of 155. Find the “ corrected” mean.
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mean income of 40 families =265
sum of income of 40 families =40×265=10600
correct sum=10600-150+155=10605
corrected mean =10605/40=265.125
HOPE IT HELPS......
sum of income of 40 families =40×265=10600
correct sum=10600-150+155=10605
corrected mean =10605/40=265.125
HOPE IT HELPS......
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