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| $x_i$ | $10$ | $30$ | $50$ | $70$ | $90$ |
| $f_i$ | $4$ | $24$ | $28$ | $16$ | $8$ |
| ગુણ | $0-10$ | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ |
| છોકરીઓની સંખ્યા | $6$ | $8$ | $14$ | $16$ | $4$ | $2$ |
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