0580/23 May/Jun 2025, Question 6: Stem-and-Leaf Diagrams
Cambridge IGCSE Mathematics 0580 · Paper 23 (Extended) · Non-calculator · 3 marks
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The question, in short
Complete a stem-and-leaf diagram for 15 giraffe heights using a table of facts about one height, minimum, range, repeats and mode, plus a partial diagram of 9 heights.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1Add 2.6: row 2 becomes 5 6
- 2Shortest is 2.5 and range is 2.3, so tallest = 2.5 + 2.3 = 4.8: add 8 to row 4
- 3That makes 11 giraffes; the other 4 have the modal height 3.9: add 9 9 9 9 to row 3
- 42 | 5 6; 3 | 2 7 7 9 9 9 9; 4 | 1 1 4 5 7 8
Answer2 | 5 6 3 | 2 7 7 9 9 9 9 4 | 1 1 4 5 7 8
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