Q26 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
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Given that :-
- Number of families is 40
- Mean value of income of these families is 265 .
- But income of one family was read 150 instead 115.
To Find :-
- The correct mean .
Solution :-
But we took a number 150 instead of 115
Correct Mean = 264.125 .
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