Which statement(s) describe an undesirable situation when implementing SPC?

Question

Options

• AThe lower Control Limit for the R chart is equal to zero
• BAttempt to use SPC for tracking transaction times at a warehouse
• CA process is in Statistical Control before implementation of SPC
• DThe Control Limits are wider than the customer specification limits

• A
  7% (4)
• B
  3% (2)
• C
  16% (9)
• D
  74% (43)

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