Anyone familiar with basic statistics is familiar with the concept of a bell curve. A bell curve is a visual representation of normal data distribution, in which the median represents the highest ...

The normal distribution is pretty cool. It’s a mathematically determined probability distribution that does a good job of describing the patterns of variability between scores for many variables in ...

What Is A Probability Density Function? A probability density function, also known as a bell curve, is a fundamental statistics concept, that describes the likelihood of a continuous random variable ...

It's a long-held assumption that human performance fits a normal (or Gaussian) distribution — a bell curve in which only a very small number of people are outliers. Consequently human resource ...

Grading on a curve isn't just for college papers--many companies use numeric performance reviews and then fit employees to a bell curve. Unlike school, however, an employee's rating can determine ...