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| ${x_i}$ | $3$ | $8$ | $13$ | $18$ | $23$ |
| ${f_i}$ | $7$ | $10$ | $15$ | $10$ | $6$ |
| વર્ગ અંતરાલ | આવૃત્તિ |
|---|---|
| $0 - 6$ | $10$ |
| $6 - 12$ | $8$ |
| $12 - 18$ | $6$ |
| $18 - 24$ | $4$ |
| $24 - 30$ | $2$ |
| $X$ | $c$ | $2c$ | $3c$ | $4c$ | $5c$ | $6c$ |
| $f$ | $2$ | $1$ | $1$ | $1$ | $1$ | $1$ |
| વસ્તુ નું કદ $(x_i)$ | $3.5$ | $4.5$ | $5.5$ | $6.5$ | $7.5$ | $8.5$ | $9.5$ |
| આવૃત્તિ $(f_i)$ | $3$ | $7$ | $22$ | $60$ | $85$ | $32$ | $8$ |
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