If the data of the streams of the MSP are all correlated (perfectly), what control procedure may be adopted?

Different control chart for different stream

One control chart for some streams and one for a group

Different control charts for different groups of streams

One control chart for the any stream of all streams

If the data of the streams of the MSP are all correlated (perfectly),

1.	If the data of the streams of the MSP are all correlated (perfectly), what control procedure may be adopted?
A.	Different control chart for different stream
B.	One control chart for some streams and one for a group
C.	Different control charts for different groups of streams
D.	One control chart for the any stream of all streams
Answer» E.