select the correct answer.\na news website is...
select the correct answer.\na news website is interested in knowing which other sites its users visit for their technology news, so it sends an email survey to 10,000 of its registered users selected at random. for what type of bias are the survey results at risk?\n\na. the survey results are most at risk for undercoverage.\nb. the survey results are most at risk for nonresponse bias.\nc. the survey results are not at risk for any bias.\nd. the survey results are at risk for nonresponse bias and undercoverage.
Answer
# Answer:
B. The survey results are most at risk for nonresponse bias.
# Brief Explanations:
The survey is an email - based one. Many users may not respond to the email, leading to nonresponse bias. There is no indication of undercoverage as the sample is randomly selected from registered users. So nonresponse bias is the main concern.