Question: Com205 thanks Problem 5: A medical facility does MRI scans for sports injuries. Occasionally a test yields inconclusive results and must be repeated. Using the

 Com205 thanks Problem 5: A medical facility does MRI scans for

Com205 thanks

sports injuries. Occasionally a test yields inconclusive results and must be repeated.

Problem 5: A medical facility does MRI scans for sports injuries. Occasionally a test yields inconclusive results and must be repeated. Using the following 10 sample results for the Page 4 of 6k number of retests in n = 220 observations each, determine the control limits for the proportion of retests using three sigma (standard dev) limits. Is the process in control? Why/why not?~ [5 Marks] Sample:~ 30 Be Number of retests: 20 Bonus Question: A lower sample range value implies that the variability is less, which is desirable. What is then the point of having a lower control limit for range values? [1 Bonus Mark - overall assignment marks cannot exceed 100%]~

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