PLEASE HELP WILL MARK BRAINLIEST!!

3

Step-by-step explanation:

2,4,10,6,1

Mean = (2 + 4 + 10 + 6 + 1) / 5

= 23/5

= 4.6

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value