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| $x$ | $10$ | $11$ | $12$ | $13$ |
|---|---|---|---|---|
| $f$ | $6$ | $12$ | $18$ | $12$ |
| वर्ग अंतराल | $0$-$10$ | $10$-$20$ | $20$-$30$ | $30$-$40$ | $40$-$50$ | $50$-$60$ | $60$-$70$ |
|---|---|---|---|---|---|---|---|
| बारंबारता | $4$ | $6$ | $16$ | $28$ | $16$ | $6$ | $4$ |
| $x_i$ | $10$ | $30$ | $50$ | $70$ | $90$ |
| $f_i$ | $4$ | $24$ | $28$ | $16$ | $8$ |
| वर्ग अंतराल | $0-6$ | $6-12$ | $12-18$ | $18-24$ | $24-30$ |
| बारंबारता | $4$ | $5$ | $3$ | $6$ | $2$ |
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