MCQ
The class mark of the class interval 2.4-6.6 is:
- A4.5
- B4.2
- C6.6
- D2.4
✓
Answer
- 4.5
Solution:
Class mark $=\frac{\text{uppar limit+lower limit}}{2}$
$=\frac{2.4+6.6}{2}$
$=\frac{9}{2}$
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