Here's a better version of the plot: http://i.imgur.com/aXQei.png http://i.imgur.com/aXQei.png This type of plot can be confusing when the relationship isn't s

Here's a better version of the plot: http://i.imgur.com/aXQei.png http://i.imgur.com/aXQei.png This type of plot can be confusing when the relationship isn't strong, but I think it works well enough here. edit: there's also this plot type: http://i.imgur.com/jgMFS.png http://i.imgur.com/jgMFS.png