To guarantee that cans of soup are properly filled, some cans are sampled and the amounts measured. The overall average for the samples is 15 ounces. Each sample contains 8 cans. The average range is...

To guarantee that cans of soup are properly filled, some cans are sampled and the amounts measured. The overall average for the samples is 15 ounces. Each sample contains 8 cans. The average range is 0.5 ounces. The upper control chart limit and lower chart limit for the average would be?