MCQ
What does fo represent in the following formula $\text{l}_1+\frac{\text{f}_1-\text{f}_0}{2\text{f}_1-\text{f}_0-\text{f}_2}\times\text{c}$
- AFrequency of the model class.
- BLower limit of the modal class.
- ✓Frequency of the class preceding the modal class.
- DFrequency of the class succeeding the modal class.