For most blog owners, the formatting of the Stats display is a model of efficiency. For each display (Overview, Posts, Traffic Sources, Audience), when looking left to right, we see a display that's pretty tightly limited to 75% screen width, when the display size is adjusted to 100% screen height. That's maybe 10% wider than the post editor display, with both post editor and Stats leaving the well known white space on the right. Legendarily - and I can't think specifically where I could quote this trivia, the Blogger wizard displays, such as Post Editor, Settings, and Stats, are limited this way so blog owners won't be forced to size their browser windows to 100% of screen width. See how neatly the horizontal width of the Post Editor display is sized? And here's the Stats display, with similar "white space". Oddly, a few blog owners have been reporting, recently, that they are being forced to scroll left to right, to see the entire Stats display...
What Blogger won't tell you