Quality control is a process by which a business ensures that product quality is maintained or improved. Learn whether quality control is a career option for you.

Types of Control Charts There are two main types of control charts that utilize the mean and standard deviation as some of the quality determinant parameters.

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 ...

Many types of control charts have an ability to detect process changes that can weaken over time depending on the past data observed. This is often referred to as the "inertia problem." We propose a ...

Often, however, “quality assurance” and “quality control” are used interchangeably, referring to the actions performed to ensure the quality of a product, service or process.