Statistics Vocabulary

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What is a sample?

Back

A subset of the population that is involved in the study.

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What is an experimental study?

Back

A study that involves a treatment and its effects are calculated.

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What is an observational study?

Back

A study that collects data by watching or asking questions.

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What is a population parameter?

Back

A variable that is measured.

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What is the difference between a sample and a population?

Back

A sample is a subset of a population, which is the whole group of interest.

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What is a control group?

Back

A portion of the sample that does not receive the treatment.

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What is a variable in a study?

Back

A characteristic or condition that can change and is measured in a study.

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What is a hypothesis?

Back

A testable prediction about the relationship between two or more variables.

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What is data collection?

Back

The process of gathering information for analysis.

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What is a survey?

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A method of collecting data by asking questions to a group of people.