Nonrandom variation is indicated when a point falls outside the control limits or a run test produces a large $z-$value, prompting investigation into potential assignable causes.

$$ True

$$ False

Question $19(1$ point$)$

Once a stable process is confirmed $($no nonrandom variations$),$ assessing process capability is essential, focusing on variability of the process output.

$$ True

$$ False

Question $20(1$ point$)$

Specifications or tolerances are defined by engineering design or customer requirements, representing the acceptable range of values for individual units of output

$$ True

$$ False