1.1 and 1.2 Review

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Gender

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Nominal: A categorical variable that represents different categories without any intrinsic ordering.

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__________ is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.

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Statistics: The discipline that uses mathematical theories and methodologies to analyze data.

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Qualitative or Quantitative? Years of schooling completed

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Quantitative: A numerical variable that can be measured and expressed as a number.

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_________ consist of information coming from observations, counts, measurements, or responses.

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Data: Facts and statistics collected for reference or analysis.

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Which is larger? Population or Sample

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Population: The entire group of individuals or instances about whom we hope to learn.

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What type of variable is age?

Back

Quantitative: A variable that can be measured numerically.

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What type of variable is marital status?

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Nominal: A categorical variable that represents different categories without any intrinsic ordering.

Front

What is a sample?

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A subset of a population used to represent the entire group.

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What is a population in statistics?

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The complete set of items or individuals that are the subject of a statistical analysis.

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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 represents numerical values.