Mary performs an analysis of the relationship between volunteer age and amount of time spent volunteering. She finds that people volunteer a lot when they are younger, then they do not volunteer much during the middle portion of their life, and finally they volunteer a lot at the end of their life. How would you describe this type of relationship?
A) Weakly correlated
B) Strongly correlated
C) Curvilinear
D) Linear

Question

Quizplus · Accepted Answer

The relationship described is not a straight line, so it cannot be linear (D). Additionally, the fact that the amount of volunteering starts high, dips down, and then rises again is indicative of a curvilinear relationship (C). It is not described as weakly (A) or strongly (B) correlated.

Mary Performs an Analysis of the Relationship Between Volunteer Age