Random vs Biased Samples & Questions

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+1
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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.
Tags
CCSS.HSS.IC.B.3
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 non-random selection.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
3.
FLASHCARD QUESTION
Front
Why is convenience sampling considered biased?
Back
Convenience sampling is biased because it relies on easily accessible individuals rather than a random selection, which can lead to unrepresentative results.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
4.
FLASHCARD QUESTION
Front
What does it mean for a sample to accurately represent a population?
Back
It means that the characteristics of the sample reflect those of the entire population, allowing for valid conclusions.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
5.
FLASHCARD QUESTION
Front
What is the importance of random sampling in surveys?
Back
Random sampling is important because it minimizes bias and ensures that the sample is representative of the population, leading to more reliable results.
Tags
CCSS.HSS.IC.B.3
6.
FLASHCARD QUESTION
Front
What is the population in a study?
Back
The 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
7.
FLASHCARD QUESTION
Front
What is a survey?
Back
A survey is a method of collecting data by asking questions to a group of people.
Tags
CCSS.6.SP.B.5B
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