A study examining the relationship between travel and stress reports an r=0.4 (p=0.02). You know that this means:
A) There is a significant positive correlation between travel and stress.
B) As travel increases there is a 40% increase in stress.
C) There is a weak 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 moderate positive correlation, and the p-value of 0.02 suggests that this correlation is statistically significant.

A Study Examining the Relationship Between Travel and Stress Reports