| List - I | List - II | 
|---|---|
| A. Velamen Roots | II. Eichhornia | 
| B. Axillary buds as tendrils | I. Watermelon | 
| C. Floral buds as storage food | IV. Agave | 
| D. Swollen petiole | III. Pisum | 

Given below are two statements:
Statement I: In a floral formula, \(\oplus\) stands for zygomorphic nature of the flower, and \( G \) stands for the interior ovary. 
Statement II: In a floral formula, \(\oplus\) stands for actinomorphic nature of the flower, and \( G \) stands for the superior ovary.
In light of the above statements, choose the correct answer from the options given below:
Find the variance of the following frequency distribution:
| Class Interval | ||||
| 0--4 | 4--8 | 8--12 | 12--16 | |
| Frequency | 1 | 2 | 2 | 1 |