| वर्ग अंतराल | बारंबारता |
| $0-2$ | $1$ |
| $2-4$ | $3$ |
| $4-6$ | $5$ |
| $6-8$ | $3$ |
| $8-10$ | $1$ |
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| प्राप्त अंक | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ | $70-80$ |
| छात्रों की संख्या | $2$ | $3$ | $8$ | $14$ | $8$ | $3$ | $2$ |
| ${x_i}$ | $2$ | $5$ | $6$ | $8$ | $10$ | $12$ |
| ${f_i}$ | $2$ | $8$ | $10$ | $7$ | $8$ | $5$ |
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