Theory question 103
Data PresentationThe table below shows how a man spends his income in a month.
Food: ₦4500; House rent: ₦3000; Provisions: ₦2500; Electricity: ₦2000; Transportation: ₦5000; Others: ₦3000
(a) Represent the information on a pie chart.
(b) What percentage of his income is spent on transportation?
Show the model answer
Model answer
Total = ₦20,000. Angle = amount/20,000 × 360°.
(a) Food 81°, House rent 54°, Provisions 45°, Electricity 36°, Transportation 90°, Others 54° (total 360°). Draw and label the sectors.
(b) 5000/20,000 × 100% = 25%.
Explanation
Each ₦1,000 is 18° of the pie.