Question: A quality control inspector has taken three samples with four observations each. If the standard deviation of the process is 0.2 ounces, use x-bar chart

A quality control inspector has taken three samples with four observations each. If the standard deviation of the process is 0.2 ounces, use x-bar chart with Z=3 and Identify the UCL? (4 Points) Samples 1 2 3 1 19.7 19.7 20.3 Observations 2 3 20.6 18.9 20.2 18.9 18.7 21.6 4 20.8 20.7 20.4

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