And there's different methods of trying to fit a linear model to a dataset, an imperfect dataset. I drew very perfect ones, at least for the r equals negative one and r equals one. But these are what the real world actually looks like. Nothing, very few times will things perfectly sit on a line. So for scatter plot A, if I were to try to fit a line, it would look something like, it would look something like that, if I were to try to minimize distances from these points to the line. I do see a general trend that when y is, you know, if we look at these data points over here, when y is high, x is low, and when x is high, when x is larger, y is smaller. So it looks like r is going to be less than zero, in a reasonable bit less than zero.