What is Control Chart and its types?

Control Chart

The control chart is an online graph used to study how a process changes over time. The control chart was invented by Walter A. Shewhart. Guidelines for Control Chart: A control chart always has a central line for the average, an upper line for the upper control limit and a lower line for the lower … Read more

The simple way to learn about quality control

Quality control

Quality Control Quality control is a process employed to ensure a certain level of quality in a product or service. It includes which actions an organization takes to control and verify certain characteristics of a product or service. The basic goal of quality control is to ensure that the product is as per customer drawing … Read more

Stratification in quality control in a simple way


Stratification Stratification is the separation of data into categories. This tool is usually used during the diagnostic process to identify which categories contribute to the problem. We can separate data into different categories so that the data of that category can be observed to solve the problem. Stratification is a system of formation of categories, … Read more