A rank correlation coefficient is to be calculated for a col

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 3II: Interchanging the two variablesIII: Adding 2 to each value of one variableIV: Replacing every value of one variable by its absolute value

Solution

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