Question

Number of mobile phone users in various age groups in a city is listed below:

Age group (in years)	Number of mobile users
1-20	25000
21-40	40000
41-50	35000
61-80	10000

Draw a bar graph to represent the above information.

Answer 1

1. Draw a horizontal line and a vertical line.
2. Choose a suitable scale along the vertical line, say 1 unit length= 5000 mobile users and name the axis as ‘Number of mobile users ’
3. On the horizontal line, mark the age groups (in years) and name the axis as ‘Age group’.
4. Draw vertical bars with length as the number of mobile users for respective age group.