Question 74
The Bar graph given below presents the number of books sold by a bookseller during different months of a year.
The number of books sold in month M8 is how much more than the average number of books sold per month?
Solution
The number of books sold in month M8 = 389
the average number of books sold per month =Â $$\frac{232+262+297+313+328+332+365+389+413+433+457+481}{12}$$
=Â $$\frac{4302}{12}$$
=Â 358.5
Difference =Â 389-358.5
=Â 30.5
The number of books sold in month M8 is 30.5 more than the average number of books sold per month.
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