Question

Why aren't voluntary response samples usually representative of the population

Answer 1

People who volunteer usually have a strong opinion so will not represent the opinion of the average person.

Answer: C

Answer 2

Answer:

C: the people who volunteer usually have a motive to do so and will be the only ones represented

Step-by-step explanation:

In a voluntary response sample, only people who are motivated to respond usually respond.

Since they are usually the only ones that respond, they are the only ones that will be represented.