Understanding Quality Control (QC) Quality control involves testing units and determining if they are within the specifications for the final product.

Youíll learn ALL about the 7 QC Tools while we work an example to demonstrate how you might use these tools in the real world.

Key Takeaways: The three sigma limit is statistical data within three standard deviations from a mean. Three sigma limits set the upper and lower control limits in statistical quality control charts.

L. Allison Jones-Farmer, Jeremy D. Ezell, Benjamin T. Hazen, Applying Control Chart Methods to Enhance Data Quality, Technometrics, Vol. 56, No. 1 (February 2014), pp ...

Control chart- a time-ordered plot of sample statistics, used to distinguish between random and nonrandom variability Control limits- the dividing lines between random and nonrandom deviations from ...