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Question
The monthly wages of 30 workers in a factory are given below:
83.0, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808,
812, 840, 885, 835, 836, 878, 840, 868, 890, 806, 840, 890.
Represent the data in the form of a frequency distribution with class size 10.
Solution
| Height (in cm) | Tally marks | Frequency |
| 800-810 | ||| | 3 |
| 810-820 | || | 2 |
| 820-830 | | | 1 |
| 830-840 | |||| |||| | 8 |
| 840-850 | ||||| | 5 |
| 850-860 | | | 1 |
| 860-870 | ||| | 3 |
| 870-880 | | | 1 |
| 880-890 | | | 1 |
| 890-900 | ||||| | 5 |
| Total = 30 |
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