4MA1/1FR Jun 2022, Question 19: Mean, Median, Mode and Range
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 3 marks
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The question, in short
Five cards show 15, 7, −2, 23 and x. Their mean is 12. Work out the value of x.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 115 + 7 − 2 + 23 = 43
- 25 × 12 = 60
- 3x + 43 = 60
- 4x = 60 − 43
- 5x = 17
Answer17
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