The relationship between smoking and cancer can best be described as

A) correlational.
B) causal.
C) a spurious correlation.
D) reliable.

Spurious Correlation

A statistical relationship between two variables that appears to be causally related but is actually due to a third variable or chance.

Causal

Relating to the cause and effect relationship between two or more variables or events.

Correlational

Relating to or denoting a statistical relationship between two variables, indicating how likely they are to change together.