| आकार $(x_i)$ | $3.5$ | $4.5$ | $5.5$ | $6.5$ | $7.5$ | $8.5$ | $9.5$ |
| आवृत्ति $(f_i)$ | $3$ | $7$ | $22$ | $60$ | $85$ | $32$ | $8$ |
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| $x_i$ | $4$ | $8$ | $11$ | $17$ | $20$ | $24$ | $32$ |
| $f_i$ | $3$ | $5$ | $9$ | $5$ | $4$ | $3$ | $1$ |
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