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10 cards from this deck
The ideal value where production should be centered.
Subtract the smallest value from the largest value.
Sample median falls beyond action limits (±3σ).
They show the range for acceptable process variation.
To track variability among product measurements.
Continue normal production; everything is fine.
Mark the calculated range at the corresponding test number.
No action is needed; production is acceptable.
It indicates data starts from an unknown lower value.
It demonstrates understanding and secures marks.
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