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| $x_i$ | $2$ | $4$ | $5$ | $7$ | $9$ |
| $f_i$ | $2$ | $4$ | $10$ | $8$ | $6$ |
| वर्ग अंतराल | $0$-$10$ | $10$-$20$ | $20$-$30$ | $30$-$40$ | $40$-$50$ | $50$-$60$ | $60$-$70$ |
|---|---|---|---|---|---|---|---|
| बारंबारता | $4$ | $6$ | $16$ | $28$ | $16$ | $6$ | $4$ |
| ${x_i}$ | $2$ | $5$ | $6$ | $8$ | $10$ | $12$ |
| ${f_i}$ | $2$ | $8$ | $10$ | $7$ | $8$ | $5$ |
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