Correlation

  • Question 1
    CBSEENST11024454

    The unit of correlation coefficient between height in feet and weight in kgs is:

    • kg/feet

       

    • percentage

    • non-existent

    Solution

    C.

    non-existent

    Question 2
    CBSEENST11024455

    The range of simple correlation coefficient is:

     

    • 0 to infinity

       

    • Minus one to plus one

       

    •  Minus infinity to infinity

    Solution

    B.

    Minus one to plus one

     

    Question 3
    CBSEENST11024456

    If rxy is positive the relation between X an Y is of the type:

    • When Y increases X increases

       

    • When Y decreases X increases

    •  When Y increases X does not change

    Solution

    B.

    When Y decreases X increases

    Question 4
    CBSEENST11024457

    If rxy = 0 the variable X and Y are:

     

    •  Linearly related

       

    • Not linearly related

    • Independent

    Solution

    C.

    Independent

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