help please will give brainlist

Answer:
The range is 13.1
Step-by-step explanation:
You need to subtract 28.9 and 15.8
Answer:
13.1
Step-by-step explanation:
You take the maximum value in the data set (28.9) and take the minimum value (15.8) and subtract 28.9 by 15.8 and you get 13.1