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Students who scored exactly 40 marks go into which class interval?

ANeither
B40-55
C25-40
DEither
Answer & Solution
Correct answer: B. 40-55
1. A value on the upper limit goes to the next class. 2. So 40 goes into 40-55. 3. This convention avoids double counting. _Source: syllabus Mathematics, Chapter 14, Statistics._
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