The "rule of seven" as applied to statistical process control charts means that______________
A. Seven rejects typically occur per thousand inspections
B. Seven consecutive points are above or below the mean
C. At least seven inspectors should be in place for every thousand employees
D. A process is not out of control even though seven measurements fall outside the lower and upper control limits
A. Seven rejects typically occur per thousand inspections
B. Seven consecutive points are above or below the mean
C. At least seven inspectors should be in place for every thousand employees
D. A process is not out of control even though seven measurements fall outside the lower and upper control limits