Question: 1. What is the upper control limit? 2. What is the center line? 3. What is the lower control limit? 4. Sample 1 is out
A quality inspector took six samples, each with twenty observations, of the weight of a bagging process, in pounds. The sample means and ranges are shown below. Use this information to obtain a three-sigma control chart (z=3) for the mean weight. Process standard deviation is 0.27 . Use that control chart to answer the questions below. Do not round intermediate calculations. Round your final answers to three decimal points
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