4MA1/2H Jun 2024, Question 12: Mean, Median, Mode and Range
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2H (Higher) · Calculator · 3 marks
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The question, in short
Ali's step counts over 7 days have means of 11800 for the first 4 days and 13207 for the next 3 days; work out the mean for all 7 days.
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Solution · 3 marks
- 14 × 11 800 = 47 200
- 23 × 13 207 = 39 621
- 347 200 + 39 621 = 86 821
- 486 821 ÷ 7 = 12 403
Answer12 403
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