I can't resist the exclamation points.
That is awful computer instruction. What's with the wacky formatting of the lines? It's not even clear which lines go with which box.
1. Answer: B (the second one)
This is correlation. Causation has not been demonstrated.
2. Answer: A (first one)
Varying amounts of cereal averaged to the same amounts of milk, that's a way of saying no correlation.
3. Answer: A
Again no correlation seen between height and points.