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.
Answer: The answer is Flash the BIOS
Explanation:
You can visually see what you are looking for
Answer:
True is the answer to your question.