Just like that. So just to be clear of what we're even doing, this y star here, I got negative 2.19. That tells us that this point right over here is negative 2.19 right over here. So when we figure out the error, we're going to figure out the distance between negative 3, that's our y value, between negative 3 and negative 2.19. So let's do that. So the error is just going to be equal to our y value, that cell E2, minus the value that our line would predict. And we want the square.