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A factory manufacturers brake rotors with an average range of 3.4 lbs. Using a sample size of 7 to determine the upper control limit (UCL)
A factory manufacturers brake rotors with an average range of 3.4 lbs. Using a sample size of 7 to determine the upper control limit (UCL) for the R-chart with the confidence level 99.73%. Note: 1- Only round your final answer to 1 decimal place.
Answer: (6.5) *how do you solve*
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