Question

Which of the following best describes the characteristics of a "scientific" poll?
a. digit dialing from a small population with random selection
b. a sample of at least 1,000 people with no selection bias
c. random digit dialing with social desirability effect on a sufficiently large population
d. representative sample from a sufficiently large population with no selection bias

Answer 1

Answer:

d. representative sample from a sufficiently large population with no selection bias

Explanation:

"scientific" poll -

It is the selection process , where the samples are selected randomly , so as to avoid the selection bias .  

In this method from a huge lot , the samples are selected without any preference to any of the sample from the lot .

Hence , the correct statement for the  "scientific" poll , from the given options is ( D ) .

Answer 2

Answer:

d. representative sample from a sufficiently large population with no selection bias.

Explanation:

• The opinions pools or the survey is the human reach of the public opinions and is usually designed to represent the opinions or the poll of the scientific community, Elmo Rope was one of those who favored the idea of the scientific polls.

• That sampling pool methods were maintained by the telecom and the person to the personal basis and vary widely in area, hence the sampling has to be deal with a larger population which involves no selected biases.