Over the last few decades, Lean Six Sigma has become an integral part of the world of business. It is one of the most ...

The empirical rule describes how points are clustered in a normally-distributed data set. It states that 95% of data fall ...

The normal distribution (also known as the Gaussian distribution) is arguably the most important distribution in Statistics. It is often used to represent continuous random variables occurring in ...

A prediction interval on k future observations is an interval which is said to contain the values of all k such observations with a specified probability based on the results of a past sample of n ...