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.

Key Points Trend charts are used to see the changes throughout a process. They come in different forms like the run, control, and time series charts. Trend charts are used to monitor your process ...

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.

The quality control activity during production consists of taking samples from the run continuously, taking measurements on the samples immediately, and then plotting them rapidly on a Shewhart Chart.

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.