ABSTRACT

So, what is reality? Yes, this may be an odd question to start a statistics book. But reality is what science is all about: It is the study of what is real. “What is real?” is a topic that Ÿlls volumes of philosophy books, but for our purposes, and for the purposes of science in general, the question of what is real is answered by “That which is natural is real.” Of course, that raises the question, “What is natural?”