Key Points Control limits allow you to see extreme variations throughout your analysis. There are two separate control limits, with an upper and lower respectively. Being able to readily see where ...

A control chart consists of several parts. It has two control limits and an average line. The bottom dashed line is called the lower control limit (LCL). The solid middle line is the average of ...

Snigdhansu Chatterjee, Peihua Qiu, Distribution-Free Cumulative Sum Control Charts Using Bootstrap-Based Control Limits, The Annals of Applied Statistics, Vol. 3, No. 1 (Mar., 2009), pp. 349-369 ...

The use of multiple control limits and multiple corresponding levels of response for processes is an effective way for statistical process control when different assignable causes exist which lead to ...