A veterinarian is investigating a new type of tick repellant to determine if it reduces the number of ticks on dogs compared to a current popular brand.

Part A: Which of the following design is most appropriate: observational study, experiment, census, or sample survey? Explain your reasoning. (3 points)

Part B: Explain how you would implement the design you selected in Part A. (4 points)

Part C: Explain one benefit your design would provide. (3 points)