Unit 3 Exam AP Stats

Front

What is Voluntary Response Bias?

Back

A type of bias that occurs when individuals can choose whether or not to participate in a survey, leading to a sample that may not represent the population.

Front

What is a Census in statistics?

Back

A method of data collection that involves studying every member of the population of interest.

Front

What does SRS stand for in sampling methods?

Back

Simple Random Sampling, a method where each member of the population has an equal chance of being selected.

Front

What is a Voluntary Response Sample?

Back

A sample that consists of individuals who choose to participate, often leading to biased results.

Front

What is the primary advantage of experiments over observational studies?

Back

Experiments can usually provide better evidence of causation.

Front

Define Response Bias.

Back

A bias that occurs when respondents provide inaccurate answers due to misunderstanding, misinterpretation, or social desirability.

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What is Non-Response Bias?

Back

A bias that occurs when certain individuals selected for the sample do not respond, potentially skewing the results.

Front

Explain Undercoverage Bias.

Back

A bias that occurs when some members of the population are inadequately represented in the sample.

Front

What is a Convenience Sample?

Back

A sample that is taken from a group that is easy to reach, which may not represent the population.

Front

What is a Block Design in experiments?

Back

An experimental design that involves dividing subjects into blocks based on a certain characteristic and then randomizing within those blocks.