MCQ
Given the class intervals $1-10, 11-20, 21-30, …,$ then $20$ is considered in class:
- A$15-25$
- B$21-30$
- ✓$11-20$
- D$11-30$
✓
Answer
Correct option: C.
$11-20$
In a discontinuous class both lower and upper limits belong to that particular class.
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