Statistical Studies and Sampling Methods

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is volunteer bias?
Back
Volunteer bias occurs when individuals who choose to participate in a study differ significantly from those who do not, potentially skewing the results.
Tags
CCSS.HSS.IC.B.3
2.
FLASHCARD QUESTION
Front
How does volunteer bias impact study results?
Back
It can lead to biased results that do not accurately reflect the general population, as volunteers may have different characteristics or motivations.
Tags
CCSS.HSS.IC.B.3
3.
FLASHCARD QUESTION
Front
What is random sampling?
Back
Random sampling is the method of selecting a sample from a larger population where every individual has an equal chance of being chosen.
Tags
CCSS.HSS.IC.B.3
4.
FLASHCARD QUESTION
Front
Why is random sampling important in statistical studies?
Back
It ensures that the sample is representative of the population, leading to more accurate and reliable results.
Tags
CCSS.HSS.IC.B.3
5.
FLASHCARD QUESTION
Front
What is the difference between simple random sampling and stratified random sampling?
Back
Simple random sampling does not divide the population into subgroups, while stratified random sampling does, ensuring representation from each subgroup.
Tags
CCSS.HSS.IC.B.3
6.
FLASHCARD QUESTION
Front
What is self-selection bias?
Back
Self-selection bias occurs when individuals choose to participate in a study based on their own characteristics, leading to a non-representative sample.
Tags
CCSS.HSS.IC.B.3
7.
FLASHCARD QUESTION
Front
Provide an example of self-selection bias.
Back
In a survey about exercise habits, only individuals interested in fitness may participate, resulting in an overrepresentation of active individuals.
Tags
CCSS.HSS.IC.B.3
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