The variance $\sigma^2$ of the data is $ . . . . . .$

$x_i$ $0$ $1$ $5$ $6$ $10$ $12$ $17$
$f_i$ $3$ $2$ $3$ $2$ $6$ $3$ $3$

  • [JEE MAIN 2024]
  • A

    $28$

  • B

    $29$

  • C

    $27$

  • D

    $25$

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