the sample observations listed below
QUESTION
Construct a two-sigma control or C chart for the sample observations listed below. Is any observation outside of the control limits?Observation: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11# of defects per unit: 9 | 4 | 3 | 5 | 6 | 3 | 4 | 2 | 3 | 2 | 3
ANSWER:
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