Question: A point that plots below the lower control limit on the range chart: I. Should be ignored because lower variation is desirable. II. May be

A point that plots below the lower control limit
A point that plots below the lower control limit on the range chart: I. Should be ignored because lower variation is desirable. II. May be an indication that process variation has decreased. III. Should be investigated for assignable cause. B. I and III E. I, II, and III A. I and II D. ll only C. II and

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