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0580/11 Oct/Nov 2021, Question 5: Stem-and-Leaf Diagrams

Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 2 marks

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The question, in short

From a stem-and-leaf diagram showing items bought by 22 people, find the mode and the median number of items.

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

Part (a) · 1 mark

Find the mode of the data.

  1. 122 appears three times, more than any other value
  2. 2Mode = 22

Answer22

Part (b) · 1 mark

Find the median of the data.

  1. 122 values, so the median is halfway between the 11th and 12th
  2. 211th = 29, 12th = 31
  3. 3Median = (29 + 31) ÷ 2 = 30

Answer30

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Also searched as: 0580/11/O/N/21 · 0580_w21_qp_11 · 0580 w21 11 · question 5.
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