Hey, This Chart Isn't Mathematically Accurate!

I made a quick purchase on a site today, and got one of those Bizrate.com survey requests. One of those, "Take this survey, you might win $25" offers (and I like free money).

After taking the 3-question survey, I got this summary of my responses. This is the actual screenshot of how my scores measured. Take a good look, and you might see what is wrong:

But at least I might win $25!

By the way, I'm also surprised a 7/10 got a satisfaction rating on the scientific smiley-face scale of
:)
Unless a 10/10 is a
:D
In which case, it's accurate!