POPULATION OR SAMPLE (STATISTICS)

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What is a Population in statistics?

Back

The entire group of objects or individuals considered for a survey.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a Sample in statistics?

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A subset of the population selected for the survey.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What does it mean to survey a Sample?

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To collect data from a smaller group to make inferences about the larger population.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a Random Sample?

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A sample that is selected randomly from the population, ensuring every individual has an equal chance of being chosen.

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CCSS.HSS.IC.B.3

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What is the purpose of using a Sample instead of a Population?

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To save time and resources while still obtaining reliable data.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a biased Sample?

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A sample that does not accurately represent the population, leading to skewed results.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the difference between Population and Sample?

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Population includes all members of a defined group, while a sample is a part of that group.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a convenience Sample?

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A sample that is taken from a group that is easy to reach, which may not represent the population well.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the significance of sample size?

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Larger sample sizes generally lead to more accurate and reliable results.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a stratified Sample?

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A sample that is divided into subgroups (strata) and random samples are taken from each stratum.

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CCSS.HSS.IC.B.3