통제 상태 | in (statistical) control | out of control |
---|---|---|
변동 유형 존재 | only chance causes of variation | presence of assignable causes |
도식 | point plots within the control limits | |
all point fall inside the control limits | point plosts outside the control limits | |
정상 상태 | normal states | abnormal states |
수식 | LCL < w < UCL | w < LCL or w > UCL |
반응 | - | alarm |