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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 | $5$ | $6$ | $12$ | $14$ | $26$ | $12$ | $16$ | $9$ |
| $x_i$ | $2, 9, 8, 3, 5, 7$ |
|---|---|
| $f_i$ | $5, 3, 1, 6, 6, 1$ |
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