- AB, by 3 marks
- BA, by 4 marks
- CB, by 7 marks
- DA, by 3 marks
Step-by-Step Solution
IQR(A) ; IQR(B) . A is larger by 3. (B's range, 50, exceeds A's 47 by 3 — that compares ranges, not IQRs.)
Answer: D) A, by 3 marks
The box plots compare the marks of two sections in a mock test. Which section has the larger interquartile range, and by how much?
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