Question: Refer to the table Factors for Computing Control Chart Limits (3 sigma) for this problem. Autopitch devices are made for both major- and minor-league teams

Refer to the table Factors for Computing Control

Refer to the table Factors for Computing Control Chart Limits (3 sigma) for this problem. Autopitch devices are made for both major- and minor-league teams to help them improve their batting averages. When set at the standard position, Autopitch can throw hardballs toward a batter at an average speed of 60 mph. To monitor these devices and to maintain the highest quality, Autopitch executive Neil Geismar takes samples of 10 devices at a time. The average range is 3 mph. Using this information, construct control limits for x and R charts. a) For the given sample size, the control limits for the 3-sigmax chart are: UCLX = units (round your response to three decimal places). Data Table Lower Range, D3 Sample Size, n 2 3 0 0 4 0 0 5 6 Mean Factor, A2 1.880 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 Upper Range, D4 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.716 7 8 9 10 12 0.076 0.136 0.184 0.223 0.284 ? Print Done

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