A positive correlation between head size and foot size indicates that:
A) having a large head causes a person to have large feet.
B) having large feet causes a person to have a large head.
C) people with larger feet also tend to have larger heads.
D) people with larger feet tend to have smaller heads.

Question

Quizplus · Accepted Answer

A positive correlation means that as one variable (head size) increases, the other variable (foot size) tends to also increase. Therefore, people with larger feet also tend to have larger heads. Options A and B imply causation, which cannot be inferred from a correlation. Option D is the opposite of a positive correlation.

A Positive Correlation Between Head Size and Foot Size Indicates