A sample is representative ifA) only volunteer subjects are used.B) it is as different from the population as possible.C) all subjects are chosen from a single, unusual segment of the population.D) its composition is similar to the composition of the population.

Question

A sample is representative ifA)  only volunteer subjects are used.B)  it is as different from the population as possible.C)  all subjects are chosen from a single, unusual segment of the population.D)  its composition is similar to the composition of the population.

joanna jimenez · Accepted Answer

Final Answer : D, Explanation :  A representative sample is one that accurately reflects the composition of the population from which it is drawn. This means that the sample should include individuals from all segments of the population in similar proportions to the population as a whole, and not just from a single, unusual segment. The use of volunteer subjects could introduce bias into the sample, as those who volunteer may be different from those who do not. An overly different sample may not accurately reflect the population, and therefore may not be representative.

A sample is representative if

A) only volunteer subjects are used.
B) it is as different from the population as possible.
C) all subjects are chosen from a single, unusual segment of the population.
D) its composition is similar to the composition of the population.

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