Question 1

Which of the following best describes a voluntary response sample in the context of survey research?

Accepted Answer

A sample where individuals choose themselves whether to participate in the survey.

Question 2

A university posts a survey on its website asking students to share their opinions about campus dining. What type of sampling method is this?

Accepted Answer

Voluntary response sampling

Question 3

Which of the following is a major drawback of voluntary response samples?

Accepted Answer

They tend to over-represent individuals with strong opinions.

Question 4

Suppose a national newspaper publishes a survey question and asks readers to respond. What is the most likely source of bias in the results?

Accepted Answer

Voluntary response bias

Question 5

Which of the following scenarios does NOT describe a voluntary response sample?

Accepted Answer

A researcher randomly selects participants from a list and contacts them directly.

Question 6

A company mails a survey to 1,000 randomly selected customers and asks them to return their responses. What type of sample is this?

Accepted Answer

Voluntary response sample

Question 7

Which of the following is the best definition of voluntary response bias?

Accepted Answer

Bias that occurs when individuals with strong opinions are more likely to participate.

Question 8

A researcher wants to avoid voluntary response bias. Which of the following strategies should they use?

Accepted Answer

Randomly select participants and require their participation.

Question 9

Which of the following equations best represents the probability of selecting a specific individual in a simple random sample of size $$n$$ from a population of size $$N$$?

Accepted Answer

$$P = \frac{1}{N}$$

Question 10

Which of the following is a real-world example of voluntary response sampling?

Accepted Answer

A television show asks viewers to vote for their favorite contestant by calling a toll-free number.

Understanding Voluntary Response Samples in Statistics

Guida di studio - Domande di pratica

Study guide - Flashcard