In a handloom factory different workers take different periods of time to weave a saree. The number of workers and their required periods are given below. Present the information by a frequency polygon.
| No. of days |
8-10 |
10-12 |
12-14 |
14-16 |
16-18 |
18-20 |
| No. of workers |
5 |
16 |
30 |
40 |
35 |
14 |
