Sampling Methods

Front

What is Random Sampling?

Back

A sampling method where each member of a population has an equal chance of being selected. Example: Using a random number generator to select participants from a list.

Tags

CCSS.HSS.IC.B.3

Front

What is Voluntary Sampling?

Back

A sampling method where participants choose to be part of the sample. Example: Alumni responding to a survey about their salaries.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is Stratified Sampling?

Back

A sampling method that divides the population into subgroups (strata) and randomly samples from each. Example: Selecting 100 drivers from two age groups.

Tags

CCSS.HSS.IC.B.3

Front

What is Convenience Sampling?

Back

A sampling method that selects individuals who are easiest to reach. Example: Surveying people at a mall.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is Systematic Sampling?

Back

A sampling method that selects every nth member from a list. Example: Choosing every 10th name from a list of participants.

Tags

CCSS.HSS.IC.B.3

Front

What is Cluster Sampling?

Back

A sampling method that divides the population into clusters and randomly selects entire clusters. Example: Randomly selecting entire classrooms from a school.

Tags

CCSS.HSS.IC.B.3

Front

What is the purpose of Sampling Methods?

Back

To gather data from a subset of a population to make inferences about the whole population.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a Population in Sampling?

Back

The entire group of individuals or instances about whom we hope to learn.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a Sample in Sampling?

Back

A subset of the population selected for observation and analysis.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is Bias in Sampling?

Back

A systematic error that leads to an unrepresentative sample. Example: Only surveying people in a specific area.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1