Glossary Terms Archive

Improvement Kata

The improvement kata is a systematic four-step routine aimed at achieving a goal. Its purpose is to foster scientific thinking and creativity to overcome organizational challenges. This process enables organizations to enhance their operational efficiency and...

I-MR Chart: Mastering Individual Moving Range Control Charts

Statistical process control revolutionizes quality management through powerful visualization tools that monitor process stability over time. Among these tools, the I-MR chart stands as one of the most versatile and widely-used control charts in manufacturing, service...

Gage R&R

What is Gage Repeatability and Reproducibility? Gage Repeatability and Reproducibility (Gage R&R) is a method used to determine the amount of variance in measurement data caused by the measurement system. The system compares the measurement variation with the...

C-Chart in Six Sigma: Definition, Formula, UCL/LCL, and When to Use It

The c-chart is an attribute control chart that monitors the total count of defects in a constant-size inspection unit. It uses the Poisson distribution to calculate its control limits. The centerline is the average number of defects per unit (c-bar). The Upper Control...

Full Factorial Design

Full Factorial Design Full Factorial Design allows for experiments to include at least one test in all combinations of variables and levels. It is impossible to miss interactions with this exhaustive approach since all interactions between factors are taken into...