Question

What is wrong with the following definition of the correlation coefficient? 

The correlation coefficient measures the strength and direction of the linear relationship between two variables 

Choose the correct answer below 

 A. The correlation coefficient is a measure that describes the direction of the relationship, but the strength of the relationship cannot be determined from the 

 B. The relationship between the two variables does not have to be linear to use the correlation coefficient 

 C. The correlation coefficient is a measure that describes the strength of the relationship, but the direction of the relationship cannot be determined from the correlation coefficient. correlation coefficient.

 D. The two variables must be quantitative.

Answer 1

Solution:

Answer is D. The two variables must be quantitative.

The correlation coefficient cannot be computed for qualitative data such as honesty, beauty etc.