A study examining the relationship between travel and stress reports an r=0.4. You know that this means:
A) There is a significant relationship between travel and stress.
B) As travel increases there is a 40% increase in stress.
C) There is a moderately positive correlation between the variables in the study.
D) When people travel their stress level decreases.

Question

Quizplus · Accepted Answer

The correlation coefficient (r) of 0.4 indicates a moderately positive correlation between travel and stress, meaning as travel increases, stress tends to increase as well, but not strongly.

A Study Examining the Relationship Between Travel and Stress Reports