Samples and Populations
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a random sample?
Back
A random sample is a subset of individuals chosen from a larger population where each individual has an equal chance of being selected.
2.
FLASHCARD QUESTION
Front
What is a biased sample?
Back
A biased sample is a subset of individuals that does not accurately represent the larger population, often due to a flawed selection process.
3.
FLASHCARD QUESTION
Front
What is a sample in statistics?
Back
A sample is a part of a group being surveyed, used to make inferences about the entire population.
4.
FLASHCARD QUESTION
Front
What is a population in statistics?
Back
A population is the entire group of individuals or instances about whom we hope to learn.
5.
FLASHCARD QUESTION
Front
What does it mean for a study to be unbiased?
Back
A study is unbiased if the sample accurately represents the population, allowing for valid conclusions.
6.
FLASHCARD QUESTION
Front
What is the difference between a sample and a population?
Back
A sample is a smaller group selected from a population, which is the entire group of interest.
7.
FLASHCARD QUESTION
Front
What is a convenience sample?
Back
A convenience sample is a type of non-random sample that is taken from a group that is easy to reach.
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