Content by Scott A. Hindle
Process Capability: How Many Data?Is 30 the ‘right number?’
Wed, 09/16/2015 - 16:36
When considering how good a production process is, it’s important to ask, “Can we expect the output to be fully conforming?” An assessment of process capability can answer this. Data are needed, but how many? Is “30” the right number? This article…Thu, 05/16/2024 - 12:03
Walter A. Shewhart is lauded as the Father of Statistical Process Control (SPC) and is perhaps best remembered for the SPC control chart. The first record of Shewhart’s control chart is found in a Bell Telephone Laboratories internal memo from May…