Andrew Bloomenthal has 20+ years of editorial experience as a financial journalist and as a financial services marketing writer. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced ...

The market demand curve and the normal curve are different in several different ways. The shape of the demand curve, its purpose and the function that defines it are all different from that of the ...

Mean-variance analysis is standard practice in many business schools and financial planning programs. You know the drill: take a pool of randomly selected data points such as stock returns measured ...

Gaussian curves, normal curves and bell curves are synonymous. Each represents how statistical data with normal distribution plots on a graph. Normal distribution describes a particular way statistics ...

There is a long standing belief in business that people performance follows the Bell Curve (also called the Normal Distribution). This belief has been embedded in many business practices: performance ...

This column is the fourth in a series on parameter estimation, leading up to the justly famous Kalman filter. The discipline is based on the fact that our knowledge of the state of any real-world ...

Life isn't fair. Many of the most coveted spoils -- wealth, fame, links on the Web -- are concentrated among the few. If such a distribution doesn't sound like the familiar bell-shaped curve, you're ...