Question

Line graph, bar, pie and flow charts are all used to represent numerical data? Discuss.

Answer 1

The central angle for each subject can be calculated as follows.

Language

Number of students

In fraction

Central angle

Hindi

40

× 360º = 200º

English

12

× 360º = 60º

Marathi

9

× 360º = 45º

Tamil

7

× 360º = 35º

Bengali

4

× 360º = 20º

A pie chart of the above data is as follows.