ECZ · Paper 1 — Statistics
The table shows the number of goals scored by 40 teams in one weekend. Number of goals | 0 | 1 | 2 | 3 | 4 | 5 | 6Number of teams | 13 | 10 | 5 | 4 | 4 | 2 | 2 Calculate the mean number of goals.
- A. 1
- B. 1.75
- C. 2
- D. 10
Verified working — step 1
The total number of goals is 0×13 + 1×10 + 2×5 + 3×4 + 4×4 + 5×2 + 6×2 = 70. The mean is 70 ÷ 40 = …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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