Question
Discuss the method of collecting primary data by indirect inquiry.
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| Marks | $0 – 10$ | $10 -20$ | $20 – 25$ | $25 -30$ | $30 – 35$ | $35 – 40$ |
| No. of students | $3$ | $8$ | $20$ | $16$ | $9$ | $4$ |

| Details | Cricketer $A$ | Cricketer $B$ |
| Mean $ \bar{x}$ | $50$ | $35$ |
| Mode $M_0$ | $56$ | $31$ |
| Standard deviation $s$ | $14.4$ | $5.2$ |