Question

Either a or c?

Answer 1

@Vocaloid

Answer 2

neither

residual = observed - predicted

Answer 3

the y-value of the given point is the "observed"
the y-value you get from the equation is the "predicted"

so calculate observed - predicted

Answer 4

D?

Answer 5

I mean b :/

Answer 6

you were right the first time lol

Answer 7

8.5 is predicted
7 is observed

so 7 - 8.5 = -1.5 = D

Answer 8

oh lol you took a little bit to reply so I was like maybe I'm wrong