Population vs. Sample

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What is the definition of a population in statistics?

Back

A population is the entire group of individuals or instances about whom we hope to learn.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the definition of a sample in statistics?

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A sample is a subset of the population that is used to represent the entire group.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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How do you identify a population from a given scenario?

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The population can be identified as the complete set of individuals or items that the research is focused on.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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How do you identify a sample from a given scenario?

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The sample is identified as the specific group selected from the population for the purpose of the study.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the difference between a population and a sample?

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A population includes all members of a specified group, while a sample includes only a portion of that group.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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Why is it important to distinguish between population and sample?

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Distinguishing between population and sample is crucial for understanding the scope of research and for making valid inferences.

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CCSS.HSS.IC.B.3

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What is an example of a population in a school setting?

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All students enrolled at a particular school.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is an example of a sample in a school setting?

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A group of 50 students selected from the entire student body for a survey.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What does it mean if a sample is representative of a population?

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A representative sample accurately reflects the characteristics of the population from which it is drawn.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is sampling bias?

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Sampling bias occurs when the sample is not representative of the population, leading to skewed results.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1