This type of data variation shows a significant change in process output at one point in time and the process stabilizes at the new output rate
What is a Shift?
This type of variation shows that two or more groups are different
What is Between Group Variation?
This type of data variation is a gradual trending change over time
What is drift?
This type of variation shows that the differences are between samples of the same group
What is Within Group Variation?
This type of data variation has not been observed previously and are unusual, non-quantifiable variations. It is not usually part of your normal process and occurs out of the blue.
What is Special Cause or Outlier?
This tool helps prepare the data before you graph it
What is a tree diagram?
These charts looks at variation between and within subgroups
What are Xbar and R charts?
This chart is a graphical representation of the relationships between factors and a response.
What is a Multi-vari chart?