0580/12 Feb/Mar 2023, Question 11: Mean, Median, Mode and Range
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 1 mark
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The question, in short
Six numbers have median 61; five are 24, 43, 58, 71 and 85. Find the missing sixth number.
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Solution · 1 mark
- 1Median of six numbers = mean of the 3rd and 4th: (58 + x)/2 = 61
- 258 + x = 122, x = 64
Answer64
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