Mean value of the weekly income of 40 families is 265. But in the calculation, income of one family was read as 150 instead of 115. Find the ''Corrected'' mean.

Mean value of the weekly income of 40 families is 265. But in the calc

1.	Mean value of the weekly income of 40 families is 265. But in the calculation, income of one family was read as 150 instead of 115. Find the ''Corrected'' mean.
Answer» ANSWER :CORRECTED MEAN = RS. 264.125