ECZ · Paper 1 — Statistics
The pie chart shows which of three brands of soap, A, B or C, people liked best. Given that 24 people liked brand A best, how many people took part in the survey?
- A. 60
- B. 96
- C. 144
- D. 216
Verified working — step 1
The sector for A is 60°, representing 24 people, so 60° corresponds to 24 people and the whole 360° corresponds to 24 × 36060= …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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