AP Stats - Unit 1 Review

Front

What is a Cluster Random Sample?

Back

A sampling method where entire groups (clusters) are randomly selected, and all individuals within those groups are surveyed.

Front

What is the purpose of including random elements in experiments?

Back

To reduce bias in the results.

Front

What is a Simple Random Sample?

Back

A sampling method where every individual has an equal chance of being selected, often achieved by assigning numbers and using random selection.

Front

How can you simulate randomly selecting answers on a multiple choice test?

Back

By rolling a six-sided number cube 20 times, where each roll represents a question.

Front

What is a Population in statistics?

Back

A large group that includes everything being studied.

Front

What is a Sample?

Back

A subset of a population selected for observation and analysis.

Front

What is Stratified Random Sampling?

Back

A sampling method that divides the population into subgroups (strata) and randomly samples from each stratum.

Front

What is Systematic Random Sampling?

Back

A sampling method where you select every nth individual from a list or sequence.

Front

What is Convenience Sampling?

Back

A non-random sampling method where individuals are selected based on their easy availability.

Front

What is Voluntary-Response Sampling?

Back

A sampling method where individuals choose to participate, often leading to biased results.