The postmaster of a small western town receives a certain number of complaints each day...

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The postmaster of a small western town receives a certain number of complaints each day about mail delivery Number of complaints UCL LCL b Is the process in control 1 4 Yes 2 11 3 15 48 59 69 75 DAY 8 14 9 13 10 17 11 56 Click here for the Excel Data File a Determine three sigma control limits using the above data Round your intermediate calculations to 4 decimal places and final answers to 3 decimal places Leave no cells blank be certain to enter 0 wherever required Round up any negative control limit value to zero 12 13 14 2 10 4

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