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Questions and Answers
What is the primary characteristic that distinguishes ordinal data from nominal data?
What is the primary characteristic that distinguishes ordinal data from nominal data?
Which of the following types of data is most accurately described by the phrase 'variables that can take on any value within a certain range or interval'?
Which of the following types of data is most accurately described by the phrase 'variables that can take on any value within a certain range or interval'?
What is the term for data that can be categorized into distinct groups or categories, but lacks a natural order or ranking?
What is the term for data that can be categorized into distinct groups or categories, but lacks a natural order or ranking?
Which of the following examples is most representative of discrete data?
Which of the following examples is most representative of discrete data?
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What is the primary characteristic that distinguishes quantitative data from qualitative data?
What is the primary characteristic that distinguishes quantitative data from qualitative data?
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Study Notes
Types of Data
- Data can be classified into two main categories: qualitative and quantitative data.
Qualitative Data
- Consists of non-numerical values that describe characteristics or attributes.
- Examples: gender (women, men), hair color (blonde, brown), ethnicity (Hispanic, Asian), letter grades (A, B, C).
Quantitative Data
- Consists of numerical values that can be measured and compared.
- Can be further divided into two subcategories: discrete and continuous data.
Discrete Data
- Consists of distinct, separate values that can be counted.
- Examples: number of students in a class, number of workers in a company, number of home runs in a baseball game.
Continuous Data
- Consists of values that can take on any value within a certain range or interval.
- Examples: height of children, square footage of a two-bedroom house, speed of cars.
Nominal Data
- A type of qualitative data that has no inherent order or ranking.
- Examples: gender, hair color, ethnicity.
Ordinal Data
- A type of qualitative data that has a natural order or ranking.
- Examples: first, second, and third grades.
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Description
Learn about the two main categories of data: qualitative and quantitative, and their subcategories. Understand the characteristics of each type.
