Answers Explanation & Hints:
- Nominal variables: These are categorical variables that don’t have any inherent order or ranking. The values are used to represent different categories or groups. In the given options, “eye color” is a nominal variable because the different colors don’t have any inherent order or ranking.
- Ordinal variables: These are categorical variables where the values can be ranked in a specific order. In the given options, “student class rank” is an ordinal variable because the rankings can be ordered from highest to lowest.
- Discrete variables: These are numerical variables that can only take specific values, typically whole numbers. In the given options, “number of users” is a discrete variable because it can only take certain whole number values, such as 0, 1, 2, 3, etc.
- Continuous variables: These are numerical variables that can take any value within a certain range. In the given options, “sales volume” is a continuous variable because it can take any value within a certain range (e.g., $0.00 to infinity).
|