So that's one standard deviation below and above the mean, and then you would add another 6.3 to go to two standard deviations. So on and so forth. So that's at least a drawing of the distribution itself. So let's figure out the z-scores for each of these scores. So 65, or each of these grades. 65 is how far? 65 is, you know, it's maybe going to be here someplace.