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| Preference | Frequency |
|---|---|
| Cats | 4 |
| Dogs | 4 |
| Quokkas | 1 |
| Turtles | 1 |
Frequency tables can be used to describe frequency distributions. To help people understand the data in a frequency table, its data can be represented visually, among other methods, by using a bar graph for categorical data or a histogram in case of numerical data.