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  1. Home
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Miscellaneous·2019·Easy

If all the natural numbers between 1 and 20 are multiplied by 3, then what is the variance of the resulting series?

If all the natural numbers between 1 and 20 are multiplied by 3, then what is the variance of the resulting series?

Options

  1. a.

    99-75

  2. b.

    199-75

  3. c.

    299-25

    Correct answer
  4. d.

    399-25

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