Question 4(a)

The number of persons in various age groups in a town is given in the following table:
Draw a bar graph to represent the above information and answer the following question. (Take 1 unit length = 20 thousand)
Which two age groups have the same population?

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Solution

A Bar Graph (also called Bar Chart) is a graphical display of data using bars of different heights.

Based on the above data, a Bar graph can be created as shown below:

It is very clear from the given data and the bar graph that the age groups 30 - 44 and 45 - 59 have the same population.The height of the bar corresponding to the age groups 30 - 44 and 45 - 59 is same.

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Q. Number of persons in various age groups in a town is given in the following table.

Age group (in years)	$1 - 14$	$15 - 29$	$30 - 44$	$45 - 59$	$60 - 74$	$75$ and above
Number of persons	$2$ lakhs	$1 l a k h 60 t h o u s a n d s$	$1\ lakh\ 20\ thousands	$1\ lakh\ 20\ thousands	$80 t h o u s a n d s$	$40 t h o u s a n d s$

Draw a bar graph to represent the above information and answer the following question. (take

1

unit length

= 20 t h o u s a n d s)

(a) Which two age groups have same population?
(b) All persons in the age group of

60

and above are called senior citizens. How many senior citizens are there in the town

The number of people in various age groups in a town are given in the following table:
Draw a bar graph to represent the given data.(Take 1 unit length = 20 thousand)