Daily income (in Rs) | 100-120 | 120-140 | 140-160 | 160-180 | 180-200 |
Number of workers | 12 | 14 | 8 | 6 | 10 |
Daily income (in Rs.) |
No. of workers (f) |
Cumulative frequency (c.f) |
Less than 120 |
12 |
12 |
Less than 140 |
14 |
26 |
Less than 160 |
8 |
34 |
Less than 180 |
6 |
40 |
Less than 200 |
10 |
50 |