The range of the data is the difference between the maximum data value and the minimum.
In a box plot, the maximum and the minimum are indicated by the dots at the end of the horizontal line.
Here,
Maximum = 10
Minimum = 4.5
Thus, the range of the data is:
![Range=10-4.5=5.5](https://img.qammunity.org/2023/formulas/mathematics/college/h17p3k0g8nsefl8q3s8mr805426utmknec.png)