Question: Question 31 (14 points) A quality analyst wants to construct a sample mean chart for controlling a packaging process. Each day last week, he randomly

Question 31 (14 points) A quality analyst wants to construct a sample mean chart for controlling a packaging process. Each day last week, he randomly selected four packages and weighed each. The data from that activity appear below. 22 Day(Samples) Monday Tuesday Wednesday Thursday Friday Weight (Observations) Package 1 Package 2 Package 3 Package 4 23 23 24 23 21 21 20 19 20 18 19 20 19 20 22 20 19 21 18 Construct x-bar and R-charts considering z=3. Is the process in control

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