The floral formula encodes floral characteristics using symbolic notation. Let's interpret each clue in the question:
%.Among the options, only option (2) accurately includes all these features:
% for zygomorphyChoose the option that correctly matches the terms in column X with their corresponding terms in column Y.

Find the variance of the following frequency distribution:
| Class Interval | ||||
| 0--4 | 4--8 | 8--12 | 12--16 | |
| Frequency | 1 | 2 | 2 | 1 |