1. ImR Chart Exercise 1 - revised

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Mechanical Engineering

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Apr 3, 2024

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ImR Chart Exercise 1 A medical center has had many patient complaints about medication dosing errors. A team collected data for several weeks and recorded the number of errors. Based on the data they implemented several process improvements. Use file Errors Before and After.mtw A. Create an ImR control chart that shows the before and after conditions on the chart. Test Results for I Chart of Errors by Status TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points:  12, 13, 14, 31, 35, 36 Test Results for MR Chart of Errors by Status TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points:  10, 35
Test Results for I Chart of % Errors by Status TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points:  13, 36 Test Results for MR Chart of % Errors by Status TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points:  36
Test Results for I Chart of Total Orders by Status TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points:  36 Test Results for MR Chart of Total Orders by Status TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points:  36 B. Was the project successful? From the above test results, one point is more than 3 three standard deviations away from the process center. The graphs show the process control before and after implementation. I chart points are observed out of control at 6 data points. However, the MR chart is under control. If MR chart is under control and I chart is out of control, it implies that, this case refers to the special cause variations. Comparing the total order status for errors of the entire process, only one point is out of control. Hence out of control causing the process out of control is due to assignable causes and can be eliminated by further investigation.
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