Bias

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What is bias in statistics?

Back

Bias refers to systematic errors that lead to incorrect conclusions in statistical analysis.

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What is response bias?

Back

Response bias occurs when participants provide inaccurate or false answers, often due to the way questions are asked.

Tags

CCSS.RL.5.6

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What is voluntary response bias?

Back

Voluntary response bias occurs when individuals choose to participate in a survey, often leading to a sample that reflects only those with strong opinions.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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What is undercoverage bias?

Back

Undercoverage bias occurs when some members of the population are inadequately represented in the sample.

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CCSS.HSS.IC.B.3

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What is non-response bias?

Back

Non-response bias occurs when individuals selected for the sample do not respond, leading to a potential skew in results.

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What is convenience sampling?

Back

Convenience sampling is a method where samples are taken from a group that is easily accessible, which can lead to bias.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

What is a sample in statistics?

Back

A sample is a subset of individuals selected from a larger population used to estimate characteristics of the whole population.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

What is a population in statistics?

Back

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

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

What is a statistic?

Back

A statistic is a numerical value that summarizes or describes characteristics of a sample.

Tags

CCSS.HSS.IC.B.3

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What is a census?

Back

A census is a complete enumeration of a population, collecting data from every individual.