0580/12 Oct/Nov 2022, Question 13: Mean, Median, Mode and Range
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 3 marks
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The question, in short
From eight weekly exercise times 5, 2, 1.5, 3, 18, 4.5, 2, 4 hours, find the median and say why the mean may be unsuitable.
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Part (a) · 2 marks
Find the median of the eight exercise times given in hours.
- 1In order: 1.5, 2, 2, 3, 4, 4.5, 5, 18
- 2Middle values 3 and 4: median = (3 + 4)/2 = 3.5 hours
Answer3.5
Part (b) · 1 mark
Give a reason why the mean might not be a suitable average for these data.
- 118 is one extreme value, which makes the mean much bigger than most of the data
AnswerOne extreme value
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Also searched as: 0580/12/O/N/22 · 0580_w22_qp_12 · 0580 w22 12 · question 13.
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