Question: Question 8 (1 point) The supervisor of packaging process wants to construct a control chart for monitoring the variability in the weight of the packages.

Question 8 (1 point) The supervisor of packaging process wants to construct a control chart for monitoring the variability in the weight of the packages. He knows from the past experience that the process standard deviation is 2 ounces. From each batch collected, he randomly selected 4 packages and weighed each. The data from that activity appears below. Weight Package 1 Package 2 Package 3 Package 4 Batch 1 18 20 22 24 Batch 2 24 23 25 20 Batch 3 24 24 26 24 Batch 4 22 20 24 23 Batch 5 20 21 21 26 Calculate Upper Control Llimit (UCL) of the chart corresponding to the confidence level 99.73% Note: Round only your final answer to 2 decimal places. Your Answer: Sample Mean ? 23 24.5 22.25 22

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