Which of the following statements about sampling is correct?
A)Sampling is based on the principle that a sufficiently large number drawn from a population will be representative, regardless of whether the selection was random.
B)The results of a sample will be biased and therefore not reliable for formal research.
C)Sampling is a survey technique that eliminates the need for questioning 100 percent of the population.
D)All of the above are correct.

Question

Quizplus · Accepted Answer

Sampling is a survey technique that allows researchers to draw conclusions about a population based on a smaller subset of that population. By selecting a representative sample, researchers can eliminate the need for questioning 100 percent of the population. Option A is incorrect because a random selection is essential for a representative sample. Option B is incorrect because while there is potential for bias in a sample, researchers take steps to minimize it, making the results reliable for research.

Which of the Following Statements About Sampling Is Correct