Q. 823.7( 3 Votes )

In a public library, the following observations were recorded by the librarian in a particular week:



A. Draw a double bar graph choosing an appropriate scale.

B. On which day, the number of readers in the library was maximum?

C. What is the mean number of magazine readers?

Answer :

(A)


(B) Readers of library is maximum on Thursday


As


Magazine + newspaper reader = 550 + 300


= 850


Which is maximum among all days


(C) Mean number on magazine readers =


Total number of magazine readers


Is 100 + 150 + 200 + 200 + 250 + 300


= 1200


Mean = = 200


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