Do you want to hear a mean joke?

A physicist, an engineer and a statistician go on a hunting trip. They see a deer in a clearing. The physicist calculates the distance to the target, the velocity and drop of the bullet, he fires but misses five feet to the left.

The engineer says he forgot to account for the wind, takes the rifle, aims and misses five feet to the right. The statistician claps and says "we got him!".