A Statistical Control Chart

A statistical control chart:

A) Sets control limits on the basis of managerial intuition and experience with the process.
B) Is useful for identifying random versus systematic variances.
C) Is useful for identifying in-control but not out-of-control observations.
D) Depicts the expected mean (or target) value of a process,but not the allowable range around that value.
E) Determines control limits (both upper and lower) heuristically.