Process Capability

by | Jan 30, 2020

Process Capability compares how the process actually is (described by its mean and its standard deviation), compared to how it should be (described by its specification limits USL and LSL). Indices for Process Capability are
– Cp Index
– Cpk Index
– Pp Index
– Ppk Index

Assumptions:
– Continuous data
– Data follow normal distribution
– Process is stable