Theory question 104
Data PresentationThe table below shows how a company's sales manager spent his 1995 annual salary.
Food – 30%
Rent – 18%
Car maintenance – 25%
Savings – 12%
Taxes – 5%
Others – 10%
(a) Represent this information on a pie chart
(b) Find his savings at the end of the year if his annual salary was N60,000.00
Show the model answer
Model answer
(a) Angle = percentage × 3.6°: Food 108°, Rent 64.8°, Car maintenance 90°, Savings 43.2°, Taxes 18°, Others 36° (total 360°). Draw the sectors with a protractor and label each.
(b) Savings = 12% of N60,000 = N7,200.00.
Explanation
Each 1% of the whole is 3.6° of the circle.