Statistical Studies Key Terms Review

Front

What is an Observational Study?

Back

An Observational Study is a type of research where the researcher observes subjects in their natural environment without manipulating any variables.

Tags

CCSS.HSS.IC.B.3

Front

What is an Experiment in research?

Back

An Experiment is a research method where the researcher manipulates one or more variables to determine their effect on a dependent variable.

Front

Define Sample in statistics.

Back

A Sample is a subset of a population that is used to represent the entire group.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

Define Population in statistics.

Back

A Population consists of all subjects (human or otherwise) that are being studied.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a Statistical Question?

Back

A Statistical Question is one that anticipates variability in the data and can be answered by collecting data.

Tags

CCSS.6.SP.A.1

Front

What is the difference between Sample and Population?

Back

A Sample is a smaller group selected from a Population, which is the entire group being studied.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the purpose of Random Assignment in experiments?

Back

Random Assignment is used to ensure that each participant has an equal chance of being placed in any group, reducing bias.

Tags

CCSS.HSS.IC.B.3

Front

What is a Variable in research?

Back

A Variable is any factor, trait, or condition that can exist in differing amounts or types.

Tags

CCSS.6.SP.B.5B

Front

What is a Control Group?

Back

A Control Group is 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.

Tags

CCSS.HSS.IC.B.3

Front

What is a Dependent Variable?

Back

A Dependent Variable is the outcome that is measured in an experiment, which is affected by the independent variable.

Tags

CCSS.HSS.IC.B.3