Levels of Measurement

Front

What is the definition of the nominal level of measurement?

Back

The nominal level of measurement classifies data into distinct categories without any order or ranking. Examples include gender, race, or the names of cities.

Front

What is the definition of the ordinal level of measurement?

Back

The ordinal level of measurement classifies data into categories that can be ordered or ranked, but the differences between the ranks are not meaningful. Examples include class rankings or survey ratings.

Front

What is the definition of the interval level of measurement?

Back

The interval level of measurement involves ordered categories with meaningful differences between them, but no true zero point. Examples include temperature in Celsius or Fahrenheit.

Front

What is the definition of the ratio level of measurement?

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The ratio level of measurement has all the properties of the interval level, but also includes a true zero point, allowing for the comparison of absolute magnitudes. Examples include height, weight, and age.

Front

Which level of measurement is used for the data: 'The Senator is 58 years old'?

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Ratio

Front

Which level of measurement is used for the data: 'Ethnic group categories of people in a neighborhood'?

Back

Nominal

Front

Which level of measurement is used for the data: 'The Senator's name is Sam Wilson'?

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Nominal

Front

Which level of measurement is used for the data: 'The number of hours you spent studying each day during the past week'?

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Ratio

Front

Which level of measurement is used for the data: 'The cell phone listed as third best on an online electronics review website'?

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Ordinal

Front

What is an example of nominal data?

Back

Examples of nominal data include types of fruits (e.g., apple, banana, orange) or colors (e.g., red, blue, green).