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CLSSGB – Certified Lean Six Sigma Green Belt – GAQM

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Showing 1–3 of 10 questions

Question 1

Which of these statements describe an undesirable situation when implementing SPC? (Note: There are 2 correct answers).

Select all that apply, then click Submit answer.

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    The lower Control Limit for the R chart is equal to zero
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    The Control Limits are wider than the customer specification limits
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    A process is in Statistical Control before implementation of SPC
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    Attempt to use SPC for tracking transaction times at a warehouse
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    Indication of the specification limits on the Control Chart
Question 2

Significant variation in process performance is a consequence of several causes that can be classified using terminologies shown here. (Note: There are 2 correct answers).

Select all that apply, then click Submit answer.

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    Common
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    Random
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    Uneducated
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    Special
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    Vital
Question 3

The reason(s) for not marking the customer Specification Limits (SL) on a Control Chart is which of these? (Note: There are 4 correct answers).

Select all that apply, then click Submit answer.

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    Process control teams should not control a process based on SLs
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    Displaying the SLs on a Control Chart sends a wrong signal toward process control
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    Marking the SLs on a Control Chart is against the principle of charting
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    By marking the SLs, one can confuse the operator as to what limits are critical
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    By using mere Control Limits the process only needs to be in Statistical Control