Question

a magazine ran a survey about a web site for downloading music. readers could register their responses on the magazines web site. identify what is wrong. choose the correct answer below. a. the magazine has an interest in the survey results, so the source of the survey is questionable. b. the sample is a census, so there is a good chance that the results do not reflect the population. c. it is likely that the survey used a loaded question, so the results of the survey are not reliable. d. the sample is a voluntary response sample, so there is a good chance that the results do not reflect the population.

Explanation:

Voluntary - response samples occur when subjects themselves decide whether to be part of the sample. In this case, readers voluntarily register their responses on the magazine's website. Such samples often have bias as those with stronger opinions are more likely to respond, and thus may not represent the entire population accurately.

Answer:

D. The sample is a voluntary response sample, so there is a good chance that the results do not reflect the population.