Question

In which of the following situations is there most likely to be correlation without causation?
A.
the number of cars manufactured at a car factory and the amount of metal used at the factory

B.
the number of letters in a person's name and the person's shoe size

C.
the number of people who work in an office building and the number of desks in the office building

D.
the number of cars in a city and the number of police officers in the city

Answer 1

B. The number of letters in a person's name and the person's shoe size — any observed correlation would be spurious; there is no plausible causal link between name length and foot size.