I believe the answer is:
random sample of the town's population
A mix of participants that reflect your town's makeup
Random sample is needed in order to ensure that the researchers do not obtain only the subjects that is close to them. Mix of participants is needed in order to ensure that the sample population are not taken from group with close similarties in behaviour.
The correct answer would be A. Read the section in the online textbook
Answer:
A. Car Loan
Explanation:
The other options do not pertain to the purchase of automobiles.