| $x_i$ | $(x_i - \bar{x})^2$ |
| $3$ | $182.25$ |
| $6$ | $110.25$ |
| $9$ | $56.25$ |
| $12$ | $20.25$ |
| $15$ | $2.25$ |
| $18$ | $2.25$ |
| $21$ | $20.25$ |
| $24$ | $56.25$ |
| $27$ | $110.25$ |
| $30$ | $182.25$ |
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| आकार $(x_i)$ | $3.5$ | $4.5$ | $5.5$ | $6.5$ | $7.5$ | $8.5$ | $9.5$ |
| आवृत्ति $(f_i)$ | $3$ | $7$ | $22$ | $60$ | $85$ | $32$ | $8$ |
| $x_{i}$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
| $f_{i}$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ | $9$ | $10$ |
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