Control charts help you understand the variation that is always present in processes. The control chart includes upper and lower control limit lines with a centerline.

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 ...

Control charts have two general uses in an improvement project. Undeniably, the most common application is as a tool to monitor process stability and control. A less common, although some might ...

Instead, Wheeler recommends incorporating the average moving range to create these limits. Microsoft Excel 2013 lacks a utility for creating such control charts, but you can manually construct one ...

Youíll learn how to select the right attribute data control chart, and how to create those control charts. These include the NP Chart, the P Chart, the U Chart and the C Chart. To do this you must ...

Because the SHEWHART procedure simply displays the information in a TABLE= data set, you can use TABLE= data sets to create specialized control charts (see Chapter 49, "Specialized Control Charts").

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 ...

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 ...