4 Questions
Which of the following is an example of a numerical/quantitative discrete variable?
Number of registered cars
Which type of variable can take any value between a certain set of real numbers?
Time
Which of the following is an example of a categorical/qualitative nominal variable?
Attitudes (i.e. strongly agree, agree, disagree, strongly disagree)
What type of variable can take a value that is not able to be organized in a logical sequence?
Sex
Study Notes
Types of Variables
- A numerical/quantitative discrete variable is one that can only take on specific, distinct values (e.g. number of siblings, number of children).
- A continuous variable is one that can take any value between a certain set of real numbers (e.g. height, weight).
- A categorical/qualitative nominal variable is one that has no inherent order or sequence, and cannot be measured (e.g. favorite color, city of birth).
- A nominal variable is one that cannot be organized in a logical sequence, and has no inherent order or hierarchy (e.g. favorite food, occupation).
Test your knowledge on the different types of variables and data, including numerical/quantitative and categorical/qualitative variables.
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