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If the standard deviation z(1),x(2), . ....

If the standard deviation `z_(1),x_(2), . . .,x^(n)` is 3.5, then standard deviation of `-2x_(1),-3,-2x_(2),-3, . . . ,-2x_(n)-3` will be -

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Knowledge Check

  • If the standard deviation of 1, 2, 3, 4,…., 10 is sigma , then the standard deviation of 11, 12, 13, 14,….20 is

    A
    `sigma+10`
    B
    `10 sigma`
    C
    `sigma`
    D
    None of these

  • The Standard Deviation of scores 1, 2, 3, 4, 5 is

    A
    `(2)/(5)`
    B
    `(3)/(5)`
    C
    `sqrt2`
    D
    `sqrt3`

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