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| अंक | छात्रों की संख्या |
| $10-20$ | $6$ |
| $20-30$ | $17$ |
| $30-50$ | $15$ |
| $50-70$ | $16$ |
| $70-100$ | $26$ |
| अंक $(x_{i})$ | $15$ | $22$ | $28$ | $31$ | $35$ | $40$ | $44$ | $46$ |
| छात्रों की संख्या $(f_{i})$ | $2$ | $3$ | $5$ | $6$ | $6$ | $4$ | $3$ | $1$ |
| वर्ग अंतराल | $5-10$ | $10-15$ | $15-25$ | $25-45$ | $45-75$ |
| बारंबारता | $6$ | $12$ | $10$ | $8$ | $15$ |
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