4.1 Practice

Front

What is a sample in statistics?

Back

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

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a population in statistics?

Back

A population is 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 an observational study?

Back

An observational study is a type of research where the researcher observes and records behavior without manipulating any variables.

Tags

CCSS.HSS.IC.B.3

Front

What is an experiment in research?

Back

An experiment is a study in which the researcher manipulates one or more variables to determine their effect on another variable.

Front

What is the difference between a sample and a population?

Back

A sample is a smaller group selected from a population, while a population includes all members of a specified group.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What does it mean to compare groups in a study?

Back

Comparing groups involves analyzing differences or similarities between two or more groups based on certain characteristics or outcomes.

Front

What is the significance of using a control group in experiments?

Back

A control group helps to isolate the effect of the treatment by providing a baseline for comparison.

Front

What is a variable in research?

Back

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

Front

What is the purpose of a survey in research?

Back

A survey is used to gather information from a group of people to understand their opinions, behaviors, or characteristics.

Front

What is a dependent variable?

Back

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