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| वर्ग | $0-10$ | $10-20$ | $20-40$ | $40-70$ | $70-100$ |
| आवृत्ति | $15$ | $13$ | $28$ | $36$ | $27$ |
| बारंबारता $(f_i)$ | चर $(x_i)$ |
| $4$ | $4$ |
| $8$ | $6$ |
| $14$ | $8$ |
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| $3$ | $12$ |
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