(3, 2), (5, 7), (8, 3), (7, 4), (2, 6)}. What is the range of this function?

Answer 1

the lowest y is 2
the highest y is 7

Answer 2

"range" of a function is not the same as range in statistics.
The set is a collection of (x,y) pairs.
The range is the set of all the y-values: {2,7,3,4,6}