Question

Construct a frequency table with equal class intervals from the following data on the monthly wages (in rupees) of 28 labourers working in a factory, taking one of the class intervals as 210-230 (230 not included) :

220, 268, 258, 242, 210, 268, 272, 242, 311, 290, 300, 320, 319, 304, 302, 318, 306, 292, 254, 278, 210, 240, 280, 316, 306, 215, 256, 236.

Answer 1

The frequency table of the monthly wages of 28 laborers working in a factory is shown below:

| Wages | No: of Workers |
| 210 – 230 | 4 |
| 230 – 250 | 4 |
| 250 – 270 | 5 |
| 270 – 290 | 3 |
| 290 – 310 | 7 |
| 310 – 330 | 5 |