Mathematics 0580 · IGCSE · Statistical charts and diagrams

Statistical charts and diagrams — practice question

Thibault counts how many cars of each colour are in a car park. Colour: Black, White, Silver, Red Number of cars: 8, 5, 4, 3
(a)[2]

Calculate the sector angle corresponding to the red cars.

(b)[1]

Once these two white cars are added to the data, will the sector angle for the red cars change? Give a reason for your answer without carrying out any further calculations.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Working: $\dfrac{360}{8+5+4+3} \times 3$ (or equivalent)” …

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