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Inter State Moving and Storage Company is setting up a control chart to monitor the proportion...

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Basic Math

Inter State Moving and Storage Company is setting up a controlchart to monitor the proportion of residential moves that result inwritten complaints due to late delivery, lost items, or damageditems. A sample of 60 moves is selected for each of the last 12months. The number of written complaints in each sample is 8, 9, 3,6, 1, 5, 10, 7, 7, 8, 8, and 10.

1. Insert the mean proportion defective, UCL, and LCL.(Round your intermediate calculations and final answers to2 decimal places.)

Meanproportion defective
UCL
LCL


2. Does it appear that the number of complaints is out of controlfor any of the months? Yes or No?

Thank you!

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