- Identify categorical and quantitative variables
- Categorical variable is a variable that categorizes or describes attributes of a population.
- Quantitative variable is a variable that is counting or measuring attributes of a population.
Students in an introductory statistics class at The University of Queensland participated in a simple experiment. [1]
The variables in the data set are:
| Variable | Description |
| ID | Identification number |
| Height | Height in centimeters (cm) |
| Weight | Weight in kilograms (kg) |
| Age | Age in years |
| Sex | Male/female |
| Smokes | Are you a regular smoker? (yes/no) |
| Alcohol | Are you a regular drinker? (yes/no) |
| Exercise | What is your frequency of exercise? (low, moderate, high) |
| GroupAssignment | Whether the student ran or sat between the first and second pulse measurements |
| Pulse1 | First pulse measurement (rate per minute) |
| Pulse2 | Second pulse measurement (rate per minute) |
| Year | Year of class (1993–1998) |
- Wilson, R. J. (n.d.). Pulse rates before and after exercise. StatSci.org. http://www.statsci.org/data/oz/ms212.html ↵