Answer:
The average of -2.5, 5.2, 1.7, and -0.8 is 0.9
Explanation:
You are taking the mean of all the values
So you would add -2.5, 5.2, 1.7, and -0.8 all together
This gives you 3.6
Then you would divide by the number of numbers per se,
Which would give you the answer: 0.9