Question

Answer the following question in about 30 words:

Discuss important steps to represent data with the help of a pie diagram.

Answer 1

Students at an adult school were surveyed about the type of transportation they use to get to school.

Walking 3, Train 6, Tram 9, Car 10, Bicycle 12.

Total Population of Students = 40

Transport Type	Number of Students	Percentage of students preferring transport type	Angle size for Pie Chart
Walking	3	3 < 100 = 7.5% 40	7.5% of 360 27°
Train	6	6 × 100 = 15% 40	15% of 360 54°
Tram	9	9 × 100 = 22.5% 40	22.5% of 360 81°
Car	10	10 × 100 25% 40	25% of 360 90
Bicycle	12	12 100 30% 40	30% of 360  108

Total Population of Students = 40