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Correlation

Question
CBSEENST11024454
Wired Faculty App

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

  • kg/feet

     

  • percentage

  • non-existent

Solution

C.

non-existent

Question
CBSEENST11024455
Wired Faculty App

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
CBSEENST11024456
Wired Faculty App

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
CBSEENST11024457
Wired Faculty App

If rxy = 0 the variable X and Y are:

 

  •  Linearly related

     

  • Not linearly related

  • Independent

Solution

C.

Independent

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