which of the following correlation demonstrate a casual relationship?

1 the distance student live from school and the time it takes each to walk there.

2 the amount of money received for allowance and the number of DVD's purchased.

3 the number of hours spend studying and the grades received on exams.

4 high school students' ages and the number of hours they sleep.

3 answers

Do you mean CASUAL or CAUSAL?
i did mean casual
Then, with a casual relationship, all but 1 are correct.