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4MA1/1F Jan 2019, Question 5: Mean, Median, Mode and Range

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 5 marks

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The question, in short

Using a table of gold medals won by 8 named countries at the 2016 Olympics, calculate the range, median and mean number of gold medals.

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 gold medal counts.

  1. 1Range = highest − lowest = 46 − 9 = 37

Answer37

Part (b) · 2 marks

Find the median number of gold medals.

  1. 19, 10, 12, 17, 19, 26, 27, 46
  2. 2(17 + 19) / 2 = 36 / 2 = 18

Answer18

Part (c) · 2 marks

Find the mean number of gold medals.

  1. 126 + 10 + 17 + 27 + 12 + 19 + 9 + 46 = 166
  2. 2166 / 8 = 20.75

Answer20.75

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