So that's why period is on the horizontal axis, and the thing that's being, the thing that's driving is on the horizontal, the thing that's being driven is on the vertical. So let's plot each of these points. Period one, average score 93. Period one, average score 93, right over there. Period six, 87. Period six, 87. 80, oh, that's not the right place, and then we can move it if we want.