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| वर्ग | $4-7$ | $8-11$ | $12-15$ | $16-19$ |
| बारंबारता | $5$ | $4$ | $9$ | $10$ |
| दैनिक वेतन (रुपये में) | श्रमिकों की संख्या |
| $100-120$ | $10$ |
| $120-140$ | $15$ |
| $140-160$ | $20$ |
| $160-180$ | $22$ |
| $180-200$ | $18$ |
| $200-220$ | $12$ |
| $220-240$ | $13$ |
| वर्ग | $0-10$ | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ | $70-80$ |
| आवृत्ति | $2$ | $6$ | $8$ | $16$ | $20$ | $18$ | $16$ | $14$ |
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