Question: A quality analyst wants to construct a chart for controlling a packaging process. Monday and Tuesday last week, he randomly selected four packages and weighed

A quality analyst wants to construct a chart for controlling a packaging process. Monday and Tuesday last week, he randomly selected four packages and weighed each. The data from that activity appears below. Calculate upper control limits for Chart. X + A2R, DSR, DAR Day Weight Package Weight Package Weight Package Weight Package XR 1 2 3 Monday 20 19 21 20 Tuesday 21 20 19 20 Sample Size 2 3 4 5 12 AZ 1.880 1.023 0.729 0.577 0.266 D4 0.000 0.000 0.000 0.000 0.280 D5 3.27 2.57 2.28 2.11 1.72 18.542 20.532 21.458 23.760 None of the above

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