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

Question

Quizplus · Accepted Answer

A correlation coefficient of +.11 represents a very weak level of correlation between the two variables. It indicates that there is very little relationship between daily calcium intake and bone mass density. The other options have higher correlation coefficients, indicating stronger relationships between the variables.

Which of the Following Correlations Represents the Weakest Degree of Relation