Which of these statements describe an undesirable situation when implementing SPC? (Note: There are 2 correct answers).
A . The lower Control Limit for the R chart is equal to zero
B . The Control Limits are wider than the customer specification limits
C . A process is in Statistical Control before implementation of SPC
D . Attempt to use SPC for tracking transaction times at a warehouse
E . Indication of the specification limits on the Control Chart
Answer: BE