Math 4 ~ Review: Experiment/Observ Study & Population/Sample
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an experiment in research?
Back
An experiment is a research method where the researcher manipulates one or more variables to observe the effect on another variable, often involving random assignment to groups.
2.
FLASHCARD QUESTION
Front
What is an observational study?
Back
An observational study is a research method where the researcher observes and records behavior or outcomes without manipulating any variables.
3.
FLASHCARD QUESTION
Front
Define 'population' in research.
Back
The population is the entire group of individuals or instances about whom the researcher wants to draw conclusions.
4.
FLASHCARD QUESTION
Front
Define 'sample' in research.
Back
A sample is a subset of the population that is selected for the actual study, used to make inferences about the population.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
5.
FLASHCARD QUESTION
Front
What is the difference between population and sample?
Back
The population includes all members of a defined group, while a sample is a smaller group selected from the population for study.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
6.
FLASHCARD QUESTION
Front
What is random sampling?
Back
Random sampling is a technique where each member of the population has an equal chance of being selected for the sample, reducing bias.
Tags
CCSS.HSS.IC.B.3
7.
FLASHCARD QUESTION
Front
What is the purpose of a control group in an experiment?
Back
The control group serves as a baseline to compare against the experimental group, helping to isolate the effect of the independent variable.
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