The mean and variance of $7$ observations are $8$ and $16$ respectively. If one observation $14$ is omitted a and $b$ are respectively mean and variance of remaining $6$ observation, then $a+3 b-5$ is equal to $..........$.

  • [JEE MAIN 2023]
  • A

    $36$

  • B

    $35$

  • C

    $34$

  • D

    $37$

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