Considerations When Sampling

Question 1

The sample for a study exhibits undercoverage bias. Select the statement that best describes the bias in the study.

Revolt · Accepted Answer

C: The subjects in the study are not representative of the population, because some members of the population were not able to participate in the study.

Question 2

The results of a study exhibit nonresponse bias. Select the statement that best describes the bias in the study.

Revolt · Accepted Answer

D: The subjects in the study are not representative of the population, because some members of the population could not be contacted or refused to answer the survey.

Question 3

The results of a study exhibit response bias. Select the statement that best describes the bias in the study.

Revolt · Accepted Answer

C: The interviewer for the study did not record the responses of the subjects accurately.

Question 4

Alyssa created a new how-to video for her DIY website and is curious how much her viewers like the new video. She decides to poll the next 100 viewers who share her video on social media. Eighty-five percent of the viewers she polled responded that they "loved” the new video. Which statement best describes the results of this poll?

Revolt · Accepted Answer

C: It is most likely that less than 85% of all viewers that viewed the video actually loved it.

Question 5

A school theater director is planning a voluntary trip to New York City for students. He sends a poll regarding interest in the trip via text message to all parent phone numbers on record. The poll showed that 68% of parents were interested in the trip. Which statement best describes the results of this poll?

Revolt · Accepted Answer

B: Sixty-eight percent is likely an overestimate for the percentage of parents interested in the trip.

Question 6

A school guidance counselor is researching the number of high school students who play an online video game that is aimed at much younger children. She polls 100 seniors that regularly meet in her office to gather data for her study. Which statement best describes the results of this poll?

Revolt · Accepted Answer

C: The results of the poll are likely an underestimation of the number of high school students who play the game.

Question 7

A school guidance counselor is researching the number of high school students who have a part-time job. She emails a survey to 500 students that contains the question "Given that studies show that holding a part-time job helps with college admissions, do you have a part-time job or want a part-time job?” Select the type of bias most likely to affect the results of the survey.

Revolt · Accepted Answer

C: Question wording bias

Question 8

The sample for a study exhibits question wording bias. Select the statement that best describes the bias in the study.

Revolt · Accepted Answer

B: One or more questions on the survey is vague, confusing, leading, or lacks information.

Question 9

A city council member wants to know how the people in her city feel about the condition of the city parks. She emails a survey to the home address of all residents who take part in a city recreational sport league. Select the type of bias most likely to affect the results of the survey.

Revolt · Accepted Answer

D: Undercoverage bias

Considerations When Sampling Answers

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Considerations When Sampling Answers

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