Which of the Following Refers to the Principle of Randomness

question 20

Multiple Choice

Which of the following refers to the principle of randomness in public opinion polling?

• A) Every individual sampled decreases the risk of bias error.
• B) Every individual can choose to participate or decline participation in the opinion poll.
• C) Every individual in the population is sampled.
• D) Every individual has a known and equal chance of being sampled.
• E) Every individual sampled has a unique perspective on the issues.