Answer:
Positive Correlation
Step-by-step explanation:
We have to find a relation between the number of pets owned by a family and the cost of their vet bills.
Correlation:
Now, as the number of pets will increase the vets bills will increase. Thus, with increase in one quantity the other also increase. Thus, there is a positive correlation between the two variables that are the number of pets owned by a family and the cost of their vet bills.