RANDOM SAMPLING Archives | Math for Grownups

That’s So Random: Getting sampling right

On Wednesday, we talked about sample bias, or ways to really screw up the results of a survey or study. So how can researchers avoid this problem? By being random. There are several kinds of samples from simple random samples to

Exit Polling: A statistics refresher

Most of you are probably sick to death of Political campaign polls. But these numbers have become a mainstay of the American political process. In other words, we’re stuck with them, so you might as well get used to it —