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4MA1/2F Jun 2023, Question 11: Pie Charts

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 4 marks

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The question, in short

Calculate pie chart angles and frequencies from survey data: find the mozzarella sector angle for 55 out of 90 people, then use a pie chart with vanilla 195° and 39 people to find how many chose chocolate.

Summarised in our own words. Use the official paper for the exact wording and the diagram.

Part (a) · 2 marks

Work out the angle of the pie chart sector for mozzarella, given 55 of 90 people chose it.

  1. 1Angle = fraction of people × 360°
  2. 255/90 × 360 = 55 × 4 = 220

Answer220

Part (b) · 2 marks

Using the pie chart where vanilla is 195° and represents 39 people, work out how many chose chocolate (75°).

  1. 1195° corresponds to 39 people
  2. 239 ÷ 195 = 0.2 people per degree
  3. 375° × 0.2 = 15

Answer15

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