4MA1/1HR Jan 2019, Question 11: Mean, Median, Mode and Range
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1HR (Higher) · Calculator · 3 marks
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The question, in short
A class has 12 boys and 8 girls. Boys' mean coins is 5.5, girls' total is 18. Find the mean number of coins for all 20 children.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 112 × 5.5 = 66
- 266 + 18 = 84
- 384 / 20 = 4.2
Answer4.2
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