4MA1/2FR Jan 2020, Question 10: Mean, Median, Mode and Range
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 2 marks
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The question, in short
Four numbers 3, 6, m, n are in ascending order. Given the range is 13 and the median is 8.5, find m and n.
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Solution · 2 marks
- 1n − 3 = 13
- 2n = 16
- 3(6 + m) / 2 = 8.5
- 46 + m = 17
- 5m = 11
- 6m = 11, n = 16
Answerm = 11, n = 16
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