4MA1/2H Jan 2023, Question 15: Finding the Median and Quartiles
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2H (Higher) · Calculator · 3 marks
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The question, in short
From team A's eleven run scores, calculate a suitable measure and use it to state one comparison with team B, whose interquartile range is 42. Show working.
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Solution · 3 marks
- 1Team A has 11 values in order, so LQ is the 3rd value and UQ is the 9th value
- 2LQ = 4 and UQ = 34, so IQR for team A = 34 − 4 = 30
- 3IQR for team B = 42, and 42 > 30
- 4The IQR for Team B was higher than the IQR for Team A
AnswerThe IQR for Team B was higher than the IQR for Team A
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