Search Results for: normal distribution

Z scores and process sigma help us know what chance a process has of meeting its target. This article discusses...

Z score and Process Capability are used together to get a view of your process. The Z score or value...

What is a Box and Whisker Plot? Box plots are graphical tools that let you easily visually compare variations between...

How to determine baseline project sigma is one of the key aspects of the Measure phase. Baseline sigma calculation is...

Sample size determination is the mathematical estimation of the number of population units considered for the study. In other words,...

A stem and leaf plot, also known as a stem plot, is a technique to categorize either continuous or discrete...