Learn how representative samples and random samples differ and why combining them minimizes sampling bias for accurate data.

The term "audit" is one that conjures up fear in the minds of many taxpayers. An audit generally refers to the process used by the Internal Revenue Service to verify the information submitted by ...

Random numbers are essential for secure cyber communications. But making truly random numbers is harder than it seems. Now scientists have devised a way to make the most random random numbers ever. A ...

To simulate chance occurrences, a computer can’t literally toss a coin or roll a die. Instead, it relies on special numerical recipes for generating strings of shuffled digits that pass for random ...

The static from a old radio is a form of random interference caused by electromagnetic activity in the atmosphere (Credit: Getty Images) Our world runs on randomly generated numbers and without them a ...

The last time I looked at random walks, I used them to calculate the value of Pi for Pi Day. But what is a random walk, really? A mathematician will tell you that it's a stochastic process—a path ...