Question
Let l be the lower class limit of a class-interval in a frequency distribution and m be the mid point of the class. Then, the upper class limit of the class is:
- $\text{m}+\frac{\text{l+m}}{2}$
- $\text{l}+\frac{\text{m+l}}{2}$
- $2\text{m}-1$
- $\text{m}-2\text{l}$
