Control

What is a u Chart? Attribute chart: u chart is also known as the control chart for defects per unit chart. It...

What is an np Chart? Attribute chart: np chart is also known as the control chart for defectives (d-chart). It generally...

What is a p Chart? Attribute charts: p chart is also known as the control chart for proportions. It is...

Rational sub-grouping is the process of organizing the data into groups that were produced basically under the same conditions. In...

Control charts are among the hardest things to understand for those studying Six Sigma. Here’s an easy Control Charts Study...

Photo by Shankar S A control plan is an example of a quality control (QC) strategy. Put one in place...

Preventative techniques in Six Sigma are used to proactively identify and address potential problems or defects before they occur. By...

The EWMA – Exponentially Weighted Moving Average chart is used in statistical process control to monitor variables (or attributes that...

What is a Cumulative Sum Chart? A cumulative sum chart (CUSUM) is a type of control chart used to detect...

What is an I-MR Chart? The I-MR chart was introduced by Walter Shewhart; hence control charts are also called Shewart...