ECZ · Paper 1 — Statistics
The cumulative frequency curve shows the ages of the 80 members of a club. Use the curve to estimate the median age.
- A. 30 years
- B. 35 years
- C. 40 years
- D. 45 years
Verified working — step 1
The median is the age at a cumulative frequency of half of 80, which is 40. Reading ac…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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