Question: please show the steps and answer both questions The postmaster of a small western town receives a certain number of complaints each day about mail

please show the steps and answer both questions

The postmaster of a small western town receives a certain number of complaints each day about mail delivery 1 4 Number of complaints 2 10 3 15 4 8 sto 5 9 DAY 7 8 5 13 6 6 9 15 10 7 11 6 12 4 13 2 14 11 Click here for the Excel Data File a. Determine two-sigma control limits using the above data (Round your mediate calculations to 4 decimal places and final answers to 3 decimal places. Leave no cells blank.be certain enter "0" wherever required. Round up any negative controllimit value to zero.) UCL LCL b. Is the process in control? O No Yes

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