SPC - Statistical Process
SPC is used in most if not all quality
programs including six sigma and ISO.
For additional details on control limits
and their usage, see our Statistical
Process Control Overview page and X
Bar and Range Control Charts.
The act of gathering data or a sample,
sometimes using stratified
sampling, and almost always using random
samples, that then is
analyzing to monitor processes, identify
performance, and determine variability and/or
capability typically using
special control charts like X-Bar,
R-Bar, and/or distribution
or histogram charts and a variety or other statistical tools. Use WECO
rules or similar with the X-Bar and R-Bar charts to monitor trending.
Date types used are attribute
or discrete and variable, (real
number), data types. Different types of sampling can use different
data types and attribute data uses different control charts than variable
For an example of a X Bar and R Bar charts
see our ZeroRejects
features page. It makes doing statistical process control charts easy. And
at only $150.00, (USD), our software can get you going quickly.