The radius and circumference of several objects were measured. Which best describes the strength of the correlation, and what is true about the causation between the variables? It is a weak positive correlation, and it is not likely causal. It is a weak positive correlation, and it is likely causal. It is a strong positive correlation, and it is not likely causal. It is a strong positive correlation, and it is likely causal.

the radius and circumference of the objects
radius (In). circumference (In)
3. 18.8
4 25.1
6 37.7
9 56.5