Population vs. Sample

Flashcard
•
Mathematics
•
12th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the difference between a population and a sample in statistics?
Back
A population includes all members of a defined group, while a sample is a subset of the population used to represent the group.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
2.
FLASHCARD QUESTION
Front
Define 'population' in the context of statistics.
Back
Population refers to the entire group of individuals or instances about whom we hope to learn.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
3.
FLASHCARD QUESTION
Front
Define 'sample' in the context of statistics.
Back
A sample is a portion or subset of a population that is used to represent the whole.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
4.
FLASHCARD QUESTION
Front
In the context of surveys, what is a representative sample?
Back
A representative sample accurately reflects the characteristics of the population from which it is drawn.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
5.
FLASHCARD QUESTION
Front
Why is it important to use a sample instead of a population in research?
Back
Using a sample is often more practical and cost-effective than studying an entire population, and it can still provide valid insights.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
6.
FLASHCARD QUESTION
Front
What is sampling bias, and how can it affect research results?
Back
Sampling bias occurs when the sample is not representative of the population, leading to skewed or invalid results.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
7.
FLASHCARD QUESTION
Front
What is a simple random sample?
Back
A simple random sample is a sampling method where each member of the population has an equal chance of being selected.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
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