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Lower control chart limit

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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

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Solution Summary

The expert examines a lower control chart limit.

Solution provided by:
Sandhya Sharma, MSc
Education
  • BSc, Meerut University
  • MSc, Meerut University
  • MPhil, Institute of Advanced Studies
  • MSc, AIT
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