| वर्ग अंतराल (दैनिक वेतन रुपयों में) | बारंबारता (श्रमिकों की संख्या) |
|---|---|
| $150-200$ | $50$ |
| $200-250$ | $30$ |
| $250-300$ | $35$ |
| $300-350$ | $20$ |
| $350-400$ | $10$ |
| कुल | $145$ |
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| बारंबारता $(f_i)$ | चर $(x_i)$ |
| $4$ | $4$ |
| $8$ | $6$ |
| $14$ | $8$ |
| $11$ | $10$ |
| $3$ | $12$ |
| वर्ग | $0-10$ | $10-20$ | $20-40$ | $40-70$ | $70-100$ |
| आवृत्ति | $15$ | $13$ | $28$ | $36$ | $27$ |
| स्कोर | आवृत्ति |
|---|---|
| $1$ | $15$ |
| $2$ | $13$ |
| $3$ | $20$ |
| $4$ | $17$ |
| $5$ | $20$ |
| $6$ | $15$ |
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