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What is a sampling method?

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A sampling method is a technique used to select individuals from a population to participate in a survey or study.

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What is a random sample?

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A random sample is a subset of individuals chosen from a larger population in such a way that every individual has an equal chance of being selected.

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CCSS.HSS.IC.B.3

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What is a biased sample?

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A biased sample is a sample that does not accurately represent the population from which it is drawn, often due to systematic favoritism in the selection process.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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Define 'population' in statistics.

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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

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What is a representative sample?

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A representative sample is a subset of a population that accurately reflects the characteristics of the larger group.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the purpose of using sampling in research?

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The purpose of using sampling is to gather data and make inferences about a population without having to survey every individual.

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What does it mean to infer in statistics?

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To infer means to draw conclusions about a population based on data collected from a sample.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the equation to find a proportion in a sample?

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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How do you calculate the expected number of individuals in a population based on a sample proportion?

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CCSS.7.SP.A.2

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data represents numerical values or counts.