A Quartile is a quarter of a data set. People divide data sets into quartiles in order to study things like the lowest performing 25% of a workforce, or the top 25% turn around times for shipping. The Box Plot is a great visual that makes use of quartiles.
For a better understanding of Quartile and an overview of Lean Six Sigma, check out our Free Lean Six Sigma Yellow Belt Training, Green Belt Training or Lean Training.
