Question: Each day for two workweeks (10 days total), George weighs 4 bags from that days production. If the average of the means is 14 oz.

Each day for two workweeks (10 days total), George weighs 4 bags from that days production. If the average of the means is 14 oz. and the average range is 0.4 oz., what is the 3-sigma lower control limit for an x-bar chart for this process?

Group of answer choices

13.71

12.80

14.29

13.88

none of the above

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