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0580/13 Oct/Nov 2022, Question 5: Stem-and-Leaf Diagrams

Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 3 marks

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The question, in short

From a stem-and-leaf diagram of 35 students' science test marks, find the range, mode and median.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Find the range of the marks.

  1. 1Range = 64 − 27 = 37

Answer37

Part (b) · 1 mark

Find the mode of the marks.

  1. 155 appears three times, more than any other: mode = 55

Answer55

Part (c) · 1 mark

Find the median mark.

  1. 135 marks, so the median is the 18th
  2. 2Rows hold 4, 8, 10: 12 marks up to row 3, so the 18th is the 6th leaf in row 4
  3. 3Median = 45

Answer45

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Also searched as: 0580/13/O/N/22 · 0580_w22_qp_13 · 0580 w22 13 · question 5.
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