Something to add to Mykeal
I get off about 100 to 120 rounds in a shooting day. I shoot at least three pistols each day. This is not very many rounds upon which to base a scientific observation.
In some statistical analysis you can make predictions about a population using a sample size of thirty examples. But in this case, other variables must be eliminated or at least understood.
My reading of history convinces me that most bad government results from too much government. Thomas Jefferson