Practical Process Validation News Today : Breaking News, Live Updates & Top Stories | Vimarsana

7 Rules For Properly Interpreting Control Charts
By Mark Durivage, Quality Systems Compliance LLC
Control charts build upon periodic inspections by plotting the process outputs and monitoring the process for special cause variation or trends. Control charts are decision-making tools that provide information for timely decisions concerning recently produced products.
Control charts can be used to identify sources of variation, both common and special cause. Common cause variation is the variation inherent in the process. Common cause variation is also known as the noise of the process. A process with only common cause variation is highly predictable. A process that has a significant inherent common cause variation may not be capable of producing products that meet predetermined specifications. Common cause variation is said to account for 80% of the variation in any process and is considered management’s responsibility. ....

Mark Durivage , Quality Systems Compliance , Control Chart Selection , Practical Engineering , Reliability Statistics , Practical Process Validation , தரம் அமைப்புகள் இணக்கம் , கட்டுப்பாடு விளக்கப்படம் தேர்வு , ப்ர்யாக்டிகல் பொறியியல் , நம்பகத்தன்மை புள்ளிவிவரங்கள் , ப்ர்யாக்டிகல் ப்ரோஸெஸ் சரிபார்த்தல் ,