Answered

Which of the following is correct regarding the measurement of public
opinion?
A. Random samples are unreliable because they under represent
large groups.
B. Poll responses are usually accurate representations of public
opinion.
C. To discover the opinion of a group of people, each individual in the
group must be polled.
D. A representative sample of the United States can be gained
through the collection of about 2,000 responses.
E. Polls are easy and inexpensive to conduct.

Verified Answer :

GinnyAnswer

Final answer:

Scientific polling methods use random representative samples to reflect public opinion accurately.


Explanation:

Public opinion measurement relies on scientific polling methods that use representative samples to accurately reflect the views of the population at large. Random samples are crucial as they give everyone in the population an equal chance of being included, ensuring a fair representation. A larger sample size increases accuracy but surveys can accurately reflect public opinion with relatively small sample sizes if they are drawn using probability sampling methods.


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