7th Grade Math Milestone Review - Bias vs Unbiased

Front

What is a Voluntary Response Sample?

Back

A sample where participants self-select to respond, often leading to bias because it may not represent the entire population.

Front

What is Convenience Sampling?

Back

A sampling method where the researcher selects individuals who are easiest to reach, which can introduce bias.

Front

What is a Simple Random Sample?

Back

A sampling method where every individual has an equal chance of being selected, ensuring a representative sample.

Front

What is Systematic Sampling?

Back

A sampling method where you select every nth individual from a list, which can be unbiased if the list is random.

Front

Why is it important to avoid bias in sampling?

Back

To ensure that the results of a survey or study accurately reflect the opinions or behaviors of the entire population.

Front

What is Response Bias?

Back

A tendency of respondents to answer questions inaccurately or falsely, often due to the wording of questions.

Front

What is Nonresponse Bias?

Back

A bias that occurs when certain individuals do not respond to a survey, potentially skewing the results.

Front

What is the difference between biased and unbiased samples?

Back

A biased sample does not accurately represent the population, while an unbiased sample does.

Front

What is the best method to survey student opinions on a school policy?

Back

Surveying a randomly selected group of students from the entire school.

Front

What is the impact of selecting a sample from a specific group (e.g., choir members)?

Back

It can lead to biased results as it does not represent the entire population.