| बारंबारता $(f_i)$ | चर $(x_i)$ |
| $4$ | $4$ |
| $8$ | $6$ |
| $14$ | $8$ |
| $11$ | $10$ |
| $3$ | $12$ |
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| वर्ग अंतराल | बारंबारता |
| $150-153$ | $7$ |
| $154-157$ | $7$ |
| $158-161$ | $15$ |
| $162-165$ | $10$ |
| $166-169$ | $5$ |
| $170-173$ | $6$ |
| वर्ग | $0-5$ | $5-10$ | $10-20$ | $20-30$ | $30-50$ | $50-70$ | $70-100$ |
| आवृत्ति | $6$ | $8$ | $14$ | $16$ | $24$ | $20$ | $30$ |
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