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What is a sample in statistics?

Back

A sample is a subset of a population used to represent the entire group in statistical analysis.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a population in statistics?

Back

A population is the complete set of items or individuals that are the subject of a statistical study.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is bias in sampling?

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Bias in sampling occurs when certain members of a population are systematically more likely to be selected than others, leading to unrepresentative results.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is random sampling?

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Random sampling is a technique where each member of a population has an equal chance of being selected, ensuring a representative sample.

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CCSS.HSS.IC.B.3

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What is stratified sampling?

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Stratified sampling involves dividing the population into subgroups (strata) and randomly selecting samples from each stratum.

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CCSS.HSS.IC.B.3

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What is convenience sampling?

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Convenience sampling is a non-random sampling technique where samples are taken from a group that is easily accessible.

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CCSS.HSS.IC.B.3

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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 involves numerical values that can be measured.

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What is a sampling error?

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A sampling error is the difference between the sample statistic and the actual population parameter due to the sample not being representative.

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CCSS.HSS.IC.B.3

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What is a survey?

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A survey is a method of collecting data by asking questions to a group of people to gather information about their opinions or behaviors.

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CCSS.6.SP.B.5B

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What is a biased sample?

Back

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

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1