| वर्ग अंतराल $(km/h)$ | आवृत्ति |
|---|---|
| $30-40$ | $3$ |
| $40-50$ | $6$ |
| $50-60$ | $25$ |
| $60-70$ | $65$ |
| $70-80$ | $50$ |
| $80-90$ | $28$ |
| $90-100$ | $14$ |
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| बारंबारता $(f_i)$ | चर $(x_i)$ |
| $4$ | $4$ |
| $8$ | $6$ |
| $14$ | $8$ |
| $11$ | $10$ |
| $3$ | $12$ |
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