AP Stats Designing a Study

Front

What is convenience sampling?

Back

A sampling method where the sample is taken from a group that is easily accessible, rather than randomly selected.

Front

What is cluster sampling?

Back

A sampling method where the population is divided into clusters, and entire clusters are randomly selected for the survey.

Front

What does 'correlation does not imply causation' mean?

Back

It means that just because two variables are correlated, it does not mean that one causes the other.

Front

What is the sample in a survey?

Back

The subset of the population that is actually surveyed to gather data.

Front

What is an observational study?

Back

A study where the researcher observes and records behavior without manipulating any variables.

Front

What is a control group?

Back

A group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

Front

What is a lurking variable?

Back

A variable that is not included in the study but affects the outcome.

Front

What is stratified random sampling?

Back

A sampling method where the population is divided into subgroups (strata) and random samples are taken from each stratum.

Front

What is simple random sampling?

Back

A sampling method where every member of the population has an equal chance of being selected.

Front

What is systematic sampling?

Back

A sampling method where members of the population are selected at regular intervals.