Advanced Algebra Unit 7 Flashcard 1 Review

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What is a statistic?

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A statistic is a numerical value that describes a characteristic of a sample, such as the percentage of high school students who said their mother taught them about managing money.

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What is a parameter?

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A parameter is a numerical value that describes a characteristic of an entire population.

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What is a primary source?

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A primary source is original data collected firsthand, such as information gathered from a focus group.

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What is a secondary source?

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A secondary source is information that has been interpreted or analyzed by someone else, such as articles or reports based on primary data.

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What is bias in statistics?

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Bias occurs when one outcome is favored over another, leading to skewed results.

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What is convenience sampling?

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Convenience sampling is a method of selecting a sample that is easy to reach, such as interviewing shoppers at a local mall.

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What is descriptive statistics?

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Descriptive statistics uses data to provide descriptions of a population through numerical calculations, graphs, or tables.

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What is inferential statistics?

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Inferential statistics uses a sample of data to make inferences or predictions about a larger population.

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What is a confounding variable?

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A confounding variable is an outside influence that can affect the results of an experiment or survey.

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What is blinding in research?

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Blinding is a technique used in research to prevent bias by keeping participants unaware of certain aspects of the study.