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- Process_performance_index abstract "In process improvement efforts, the process performance index is an estimate of the process capability of a process during its initial set-up, before it has been brought into a state of statistical control.Formally, if the upper and lower specifications of the process are USL and LSL, the estimated mean of the process is , and the estimated variability of the process (expressed as a standard deviation) is , then the process performance index is defined as:is estimated using the sample standard deviation. Ppk may be negative if the process mean falls outside the specification limits (because the process is producing a large proportion of defective output).Some specifications may only be one sided (for example, strength). For specifications that only have a lower limit, for those that only have an upper limit, .Practitioners may also encounter , a metric that does not account for process performance that is not exactly centered between the specification limits, and therefore is interpreted as what the process would be capable of achieving if it could be centered and stabilized.".
- Process_performance_index thumbnail ProcessPerformanceExample.svg?width=300.
- Process_performance_index wikiPageID "10999436".
- Process_performance_index wikiPageRevisionID "601180466".
- Process_performance_index hasPhotoCollection Process_performance_index.
- Process_performance_index subject Category:Index_numbers.
- Process_performance_index subject Category:Process_management.
- Process_performance_index subject Category:Quality_control.
- Process_performance_index type Abstraction100002137.
- Process_performance_index type Communication100033020.
- Process_performance_index type Fact106636259.
- Process_performance_index type Index106639674.
- Process_performance_index type IndexNumbers.
- Process_performance_index type Information106634376.
- Process_performance_index type Message106598915.
- Process_performance_index comment "In process improvement efforts, the process performance index is an estimate of the process capability of a process during its initial set-up, before it has been brought into a state of statistical control.Formally, if the upper and lower specifications of the process are USL and LSL, the estimated mean of the process is , and the estimated variability of the process (expressed as a standard deviation) is , then the process performance index is defined as:is estimated using the sample standard deviation. ".
- Process_performance_index label "Process performance index".
- Process_performance_index label "Índice de prestación del proceso".
- Process_performance_index sameAs Index_výkonnosti_procesu.
- Process_performance_index sameAs Índice_de_prestación_del_proceso.
- Process_performance_index sameAs m.02qxqkf.
- Process_performance_index sameAs Q3502312.
- Process_performance_index sameAs Q3502312.
- Process_performance_index sameAs Process_performance_index.
- Process_performance_index wasDerivedFrom Process_performance_index?oldid=601180466.
- Process_performance_index depiction ProcessPerformanceExample.svg.
- Process_performance_index isPrimaryTopicOf Process_performance_index.
