8.1 Practice Problems

Front

What is a Sample Survey?

Back

A Sample Survey is a research method where a subset of a population is selected to gather information about the entire population's preferences or behaviors.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a Census?

Back

A Census is a research method that involves collecting data from every member of a population.

Front

What is an Observational Study?

Back

An Observational Study is a research method where the researcher observes subjects in their natural environment without intervention.

Tags

CCSS.RI.11-12.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.8.7

CCSS.RL.9-10.7

Front

What is an Experimental Study?

Back

An Experimental Study is a research method where the researcher manipulates one variable to determine its effect on another variable.

Front

What is a Control Group?

Back

A Control Group is a group in an experiment that does not receive the treatment or intervention, used for comparison.

Front

What is a Population in research?

Back

A Population is the entire group of individuals or instances about whom we hope to learn.

Front

What is a Sample in research?

Back

A Sample is a subset of a population selected for observation and analysis.

Front

What is the difference between a Population and a Sample?

Back

A Population includes all members of a defined group, while a Sample includes only a portion of that group.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is Bias in sampling?

Back

Bias in sampling occurs when certain members of the population are more likely to be selected than others, leading to an unrepresentative sample.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the purpose of Random Selection in research?

Back

Random Selection ensures that every member of the population has an equal chance of being chosen, reducing bias.