Lower control chart limit

Reference no: EM1390173

To guarantee that cans of soda are properly filled, some cans are sampled and the amounts measured. The overall average for the samples is 12 ounces. Each sample contains 10 cans. The average range is 0.4 ounces. The lower control chart limit for the average would be

A. 12.1232.

B. 11.8768.

C. 13.2.

D. 12.308.

E. none of the above

Reference no: EM1390173

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