| $x_i$ | $2$ | $4$ | $6$ | $8$ | $10$ |
|---|---|---|---|---|---|
| $f_i$ | $1$ | $2$ | $3$ | $2$ | $1$ |
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| आयु (वर्षों में) | $16-20$ | $21-25$ | $26-30$ | $31-35$ | $36-40$ | $41-45$ | $46-50$ | $51-55$ |
| व्यक्तियों की संख्या | $5$ | $6$ | $12$ | $14$ | $26$ | $12$ | $16$ | $9$ |
| $x_i$ | $10$ | $30$ | $50$ | $70$ | $90$ |
| $f_i$ | $4$ | $24$ | $28$ | $16$ | $8$ |
| वर्ग अंतराल | $0$-$10$ | $10$-$20$ | $20$-$30$ | $30$-$40$ | $40$-$50$ | $50$-$60$ | $60$-$70$ |
|---|---|---|---|---|---|---|---|
| बारंबारता | $4$ | $6$ | $16$ | $28$ | $16$ | $6$ | $4$ |
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