A correlation coefficient of +1.00 is to _____ as a correlation coefficient of -1.00 is to _____.
A)a perfect relationship; a perfect relationship
B)a perfect relationship; no relationship
C)a straight linear relationship; a curvilinear relationship
D)a curvilinear relationship; a straight linear relationship

Question

Quizplus · Accepted Answer

A correlation coefficient of +1.00 indicates a perfect positive linear relationship between two variables, meaning that as one variable increases, the other variable also increases in a linear fashion. Similarly, a correlation coefficient of -1.00 indicates a perfect negative linear relationship between two variables, meaning that as one variable increases, the other variable decreases in a linear fashion. Thus, both options represent a perfect relationship, only in opposite directions.

A Correlation Coefficient of +1