Q104 of 116 Page 42

The below histogram shows the number of literate females in the age group of 10 to 40 years in a town.

(a) Write the classes assuming all the classes are of equal width.


(b) What is the classes width?


(c) In which age group are literate females the least?


(d) In which age group is the number of literate females the highest?


(a) Age group is 10 – 40 year


Therefore, dividing it in 7 classes of equal class intervals are,


10 – 15, 15 – 20, 20 – 25, 25 – 30, 30 – 35, 35 – 40 and 40 – 45


(b) Class Width = Upper Limit – Lower Limit


⇒ Class Width = 15 – 10


⇒ Class Width = 5


(c) Literal females are least in 10 – 15


(d) Literal females are highest in 15 – 20


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