Population and Samples

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+2
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a sample in a survey?
Back
A sample is a subset of individuals or objects selected from a larger population for the purpose of conducting a survey.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
2.
FLASHCARD QUESTION
Front
What is a population in statistics?
Back
A population is the entire group of individuals or objects that is the subject of a survey or study.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
3.
FLASHCARD QUESTION
Front
What is the difference between a sample and a population?
Back
A sample is a smaller group selected from a population, while a population includes all members of a specified group.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
4.
FLASHCARD QUESTION
Front
What is a random sample?
Back
A random sample is a subset of a population in which each member has an equal chance of being selected.
Tags
CCSS.HSS.IC.B.3
5.
FLASHCARD QUESTION
Front
Why is it important to have a representative sample?
Back
A representative sample accurately reflects the characteristics of the population, leading to more valid and reliable survey results.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
6.
FLASHCARD QUESTION
Front
What is bias in sampling?
Back
Bias in sampling occurs when certain members of a population are more likely to be selected than others, leading to skewed results.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
7.
FLASHCARD QUESTION
Front
How can random sampling reduce bias?
Back
Random sampling ensures that every individual has an equal chance of being selected, minimizing the risk of bias.
Tags
CCSS.HSS.IC.B.3
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