So ideally, you would like to know the mean height of men in the United States. Let me write this down. Mean height, height of men, men in the United States. So how would you do that? When I talk about the mean, when I talk about the mean, I'm talking about the arithmetic mean. If I were to talk about some other types of means, and there are other types of means, like the geometric mean, I would specify. But when people just say mean, they're usually talking about the arithmetic mean.