0580/32 Oct/Nov 2025, Question 10: Averages from Frequency Tables
Cambridge IGCSE Mathematics 0580 · Paper 32 (Core) · Calculator · 3 marks
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The question, in short
Using the bar chart of scores 1 to 5 with frequencies 7, 5, 8, 9 and 6, calculate the mean score.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1Σfx = 1 × 7 + 2 × 5 + 3 × 8 + 4 × 9 + 5 × 6 = 107
- 2Σf = 7 + 5 + 8 + 9 + 6 = 35
- 3Mean = 107 ÷ 35 = 3.057… ≈ 3.06
Answer3.06 or 3.057…
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