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Discussion :: GATE Mechanical

  1. Which of the following assertions are CORRECT? 
    P: Adding 7 to each entry in a list adds 7 to the mean of the list 
    Q: Adding 7 to each entry in a list adds 7 to the standard deviation of the list 
    R: Doubling each entry in a list doubles the mean of the list 
    S: Doubling each entry in a list leaves the standard deviation of the list unchanged
    2. A.
    P, Q
    B.
    Q, R
    C.
    P, R
    D.
    R, S

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    Workspace

    View Answer

    Answer : Option C

    Explanation :

    -NA-

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