Question 19 — IGCSE 0580 Specimen 2025 Paper 31
Cambridge IGCSE Mathematics 0580, Core tier, calculator. Topic: Statistics · Averages (discrete data). Worth 3 marks.
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Question text
19 In a quiz, the mean score of each of 12 adults is 43.25 .
In the same quiz, the mean score of each of 16 children is 39.75 .
Calculate the mean score of the 28 people.
............................................... [3]
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