> 11.5%...which is not at all what you would eyeball it at. I don't understand this point. Here is the same graph with 3 areas shaded: http://imgur.com/a/xco3

> 11.5%...which is not at all what you would eyeball it at. I don't understand this point. Here is the same graph with 3 areas shaded: http://imgur.com/a/xco37 http://imgur.com/a/xco37 It looks to me like Area A is about a quarter of area B and about an eighth of Area C. Isn't that about what most people would eyeball it at?