TERM 1
assignable variation
DEFINITION 1
deviation in the output of a process that can be clearly
identified and managed
TERM 2
common variation
DEFINITION 2
deviation in the output of a process that is random and
inherent in the process itself
TERM 3
upper and lower specification or tolerance
limits
DEFINITION 3
the range of values in a measure assoc. with a process that
are allowable give the intended use of the product or service
TERM 4
capability index
DEFINITION 4
(Cpk) the ratio of the range of values produced by a process
divided by the range of values allowed by the design
specification
TERM 5
statistical process control
DEFINITION 5
SPCtechniques for testing a random sample of output from a
process to determine whether the process is producing items
within a prescribed range
