Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for ...

One of the most common assumptions in data analysis is that the numbers will follow a normal distribution —a central concept in statistics often known as the bell curve.

What is non-normal data? Normally distributed data is a commonly misunderstood concept in Six Sigma. Some people believe all data collected and used for analysis must be distributed normally. But ...

The bell curve has been pushed far to the right as income concentrates in upper strata households, even as the value of middle incomes have fallen.

Statistics shows data is often grouped on a bell curve distribution, but a business study reveals that extreme outliers can skew research – with big implications.

One of the most common assumptions in data analysis is that the numbers will follow a normal distribution – a central concept in statistics often known as the bell curve.