Traditionally, everyone in the process improvement world references the Seven Basic Quality Tools which were promoted by Dr. Kaoru Ishikawa back in the 1950s. Dr. Ishikawa was influenced by Dr. Deming, another quality great, and these are still a very good set of quality tools. But times have changed and…
What's a Histogram? Histograms are frequency charts. In Lean Six Sigma, they show the distribution of values produced by a process. In other words, a histogram is a visual display of how much variation exists in a process. Learn more about Histograms in Green Belt Training. How to Create a Histogram in SigmaXL Download the…
What's a Histogram? Histograms are frequency charts. In Lean Six Sigma, they show the distribution of values produced by a process. In other words, a histogram is a visual display of how much variation exists in a process. Learn more about Histograms in Green Belt Training. How to Create a Histogram in Minitab Download the…
Businesses collect lots of data but don’t always translate that data into useful information about critical business processes. Data that companies collect can readily be incorporated into charts and graphs that provide this information. Here are a couple of examples. Using a Histogram A hospitality company experienced an unwelcome earnings…
Histograms, also known as Frequency Plots, are a are visual displays of how much variation exists in a process. They highlight the center of the data measured as the mean, median and mode. They highlight the distribution of the data measured as the range and standard deviation and the shape…
