7 rank correlation coefficent

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A rank correlation coefficient is to be calculated for a collection of paired data.  The values lie between -10 and 10.  Which of the following could affect the value of the rank correlation coefficient?
I:  Multiplying every value of one variable by 3
II:  Interchanging the two variables
III:  Adding 2 to each value of one variable

IV:  Replacing every value of one variable by its absolute value

Aug 4th, 2015

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The answer is

IV-   Replacing every value of one variable by its absolute value.............................................................

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Aug 4th, 2015

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Aug 4th, 2015
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Aug 4th, 2015
Sep 23rd, 2017
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