Question
What is the mid - points of class interval 12.3 - 22.3?
✓
Answer
- 17.3
Average of upper limit &lower limit of a class interval is called its mid point.
For the class interval 12.3 - 22.3
$\text{Mid - point }=\frac{12.3+22.3}{2}$
$\text{Midpoint is }:17.3$
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