Solve the nine following charts below by finding any rules violated and errors that may exist.

Study the following Levey-Jennings charts. Evaluate the last run (Run No.12) on each chart. Identify the control rule violated (if any), and the type of error most likely associated with the control rule violation (i.e., systematic or random error). Charts 1-6: Single Levels of Control Charts 7-9: Bilevel Controls (two control levels) Self Test \#5 Continued