A business metric is a quantifiable measure that an organization uses to track, assess, and communicate progress toward a specific goal. Every metric translates an organizational objective into a number that can be measured, monitored, and acted upon. In Six Sigma,...
Business value added (BVA) is a process activity that the customer is not willing to pay for, but that the organization must perform to operate legally, safely, or reliably. It is one of three categories Lean Six Sigma uses to classify every step in a process:...
Blocking is a powerful technique in statistics. It helps researchers control variability in experimental data. They use it to improve the accuracy and precision of their results. Blocking involves grouping experimental units. These units share similar characteristics....
Understanding audit in Six Sigma represents a critical component of successful quality management systems and continuous improvement initiatives. Organizations worldwide rely on systematic auditing processes to verify Six Sigma implementation effectiveness and ensure...
ANOVA is a statistical hypothesis test. It determines whether the means of three or more groups differ significantly from each other. In Six Sigma, ANOVA is used in the Analyze phase of DMAIC. It tests whether a factor (an input variable, X) has a statistically...