Which of the following correlations represents the weakest degree of relation between two variables?
A) Daily calcium intake and bone mass density, correlation coefficient = +.11
B) Degree of exposure to lead and IQ scores in children, correlation coefficient = -.12
C) Hours of exposure to media violence and aggressive behavior, correlation coefficient = +.31
D) Number of cigarettes smoked per day and incidence of lung cancer, correlation coefficient = +.39

Question

Quizplus · Accepted Answer

A correlation coefficient of +.11 represents a weak degree of relation between two variables. A positive correlation coefficient indicates a directionality of the relationship (in this case, a positive relationship) but the value is close to zero, indicating a weak relationship.

Which of the Following Correlations Represents the Weakest Degree of Relation