If it went through every point, then I would have an R of one, but it gets pretty close to describing what is going on. Now the next thing I wanna do is focus on the intuition. What was actually going on here with these Z-scores, and how does taking products of corresponding Z-scores get us this property that I just talked about, where an R of one will be strong positive correlation, R of negative one would be strong negative correlation? Well, let's draw the sample means here. So the X sample mean is two. This is our X axis here. This is X equals two.