September 2011
Intermediate to advanced
524 pages
15h 22m
English
Appendix 3
Formulae for Control Charts
The constants in the following formulae may be found in Appendix
Charts Based on Variables (Measurements)
Individuals Chart

Moving Range Chart

Mean or Xbar Chart (Range Based)

Range Chart

Mean or Xbar Chart (Standard Deviation Based)

Standard Deviation Chart

EWMA Chart

where
denotes an estimate of the process standard deviation and α denotes the smoothing constant.
Charts Based on Attributes (Counts)
Proportion Nonconforming (P) Chart

Number Nonconforming (NP) Chart
Count of Nonconformities (P) Chart
Mean Number of Nonconformities per Unit (U) ...
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