Monthly Archive: December 2021

Control Chart 0

What is Control Chart and its types?

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...

Cause and effect diagram 0

Cause and Effect diagram in 7 QC tools?

Cause and Effect Diagram A cause and effect diagram is a graphical tool to identify possible causes of a problem or effect. It is one of the basic tools of 7 QC Tools. The...