Determine the upper and lower control limits for fraction

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A medical facility does MRIs for sports injuries. Occasionally a test yields inconclusive results and must be repeated. Using the following sample data and n = 195. SAMPLE 1 2 3 4 5 6 7 8 9 10 11 12 13 Number of retests 2 1 2 0 2 2 1 0 2 7 3 2 2 Determine the upper and lower control limits for the fraction of retests using two-sigma limits. (Do not round intermediate calculations. Round your final answers to 4 decimal places. Leave no cells blank - be certain to enter "0" wherever required.)

Reference no: EM13229005

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