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Questions and Answers
Which of the following is an example of a nominal (discrete) data type?
Which of the following is an example of a nominal (discrete) data type?
- Temperature = {hot, mild, cool}
- Animal = {cat, fish, dog, squirrel} (correct)
- Outlook = {sunny, overcast, raining}
- None of the above
Which of the following is an example of an ordinal data type?
Which of the following is an example of an ordinal data type?
- Temperature = {hot, mild, cool} (correct)
- Animal = {cat, fish, dog, squirrel}
- Outlook = {sunny, overcast, raining}
- None of the above
What is the main difference between nominal and ordinal data types?
What is the main difference between nominal and ordinal data types?
- Nominal data types have no relation or ordering among the values, while ordinal data types have values that can be ordered. (correct)
- Nominal data types have values that can be ordered, while ordinal data types have distinct symbols or labels.
- Nominal data types have a distance defined between the values, while ordinal data types have no distance defined.
- There is no difference between nominal and ordinal data types.
In the context of a university, which data type would be most appropriate for classifying students by the dorm they live in?
In the context of a university, which data type would be most appropriate for classifying students by the dorm they live in?
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Which of the following is an example of an interval data type?
Which of the following is an example of an interval data type?
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Study Notes
Data Types
- Nominal (discrete) data type: Example - Classifying students by the dorm they live in
- Ordinal data type: Example - Ranking students by their class position (1st, 2nd, 3rd, etc.)
- Main difference between nominal and ordinal data types: Ordinal data has a natural order or ranking, while nominal data does not
- Interval data type: Example - Temperature in Celsius or Fahrenheit, where the difference between any two consecutive values is equal
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