Sampling can be used when it is impossible to measure the entire population.

Control charts are graphs that study how a process changes over time. They are also known as Shewhart charts or Statistical Process Control Charts (SPCC).  Control charts have a central line for the average, an upper line for the upper control limit, and a lower line for the lower control limit. These lines are determined from historical data.  Process capability is a quality control measure that determines if a process can meet customer requirements and expectations. It is a quantifiable comparison of the Voice of the Customer (specs, requirements, or expectations of your customer) and the... Show more

Control charts are graphs that study how a process changes over time. They are also known as Shewhart charts or Statistical Process Control Charts (SPCC). 

Control charts have a central line for the average, an upper line for the upper control limit, and a lower line for the lower control limit. These lines are determined from historical data. 

Process capability is a quality control measure that determines if a process can meet customer requirements and expectations. It is a quantifiable comparison of the Voice of the Customer (specs, requirements, or expectations of your customer) and the Voice of the Process (control limits). 
 

Topics include: TQMR Statistics, Variables Control Charts, Process Capability, & Attributes Control Charts.
 

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