Activity Pain Levels of ICU patients Various inventions are available for nurses to help relieve patients' pain (e g , heat cold applications, breathing exercises, massage) The journal Research in Nursing Health (Volume 35, 2012) demonstrated the utility of statistical process control in determining the effectiveness of a intervention The researchers presented the following illustration Pain levels (measured on a 100 point scale) were recorded for a sample of 10 intensive care unit (ICU) patients 24 hours post surgery each week for 20 consecutive weeks The next table provides the means and ranges for each of the 20 weeks To establish that the pain management process is in control an chart is constructed Compute the value of the centerline for the chart Compute the value of Compute the UCL and LCL for the chart Plot the means for the 20 weeks on the chart Is the pain management process in control 5 After the 20th week, a pain intervention occurred in the ICU The goal of the intervention was to reduce the average pain level of ICU patients To determine if the intervention was effective, the sampling of ICU patients was continued for 8 more consecutive weeks The mean pain levels of these patients were (in order) 71, 72, 69, 67, 66, 65, 64, and 62 Plot these means on the chart 6 Apply the pattern analysis rules to the extended chart, part e Do you detect a shift in the mean pain level of the patients following the intervention Explain

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Activity Pain Levels of ICU patients. Various inventions are available for nurses to help relieve patients' pain (e.g., heat/cold applications, breathing exercises, massage). The journal

Activity

Pain Levels of ICU patients. Various inventions are available for nurses to help relieve patients' pain (e.g., heat/cold applications, breathing exercises, massage). The journal Research in Nursing & Health (Volume 35, 2012) demonstrated the utility of statistical process control in determining the effectiveness of a intervention. The researchers presented the following illustration. Pain levels (measured on a 100-point scale) were recorded for a sample of 10 intensive care unit (ICU) patients 24 hours post-surgery each week for 20 consecutive weeks. The next table provides the means and ranges for each of the 20 weeks. To establish that the pain management process is "in control" an - chart is constructed.

Compute the value of the centerline for the - chart
Compute the value of.
Compute the UCL and LCL for the - chart.
Plot the means for the 20 weeks on the - chart. Is the pain management process "in control"?

5. After the 20th week, a pain intervention occurred in the ICU. The goal of the intervention was to reduce the average pain level of ICU patients. To determine if the intervention was effective, the sampling of ICU patients was continued for 8 more consecutive weeks. The mean pain levels of these patients were (in order): 71, 72, 69, 67, 66, 65, 64, and 62. Plot these means on the - chart.

6. Apply the pattern-analysis rules to the extended - chart, part e. Do you detect a shift in the mean pain level of the patients following the intervention? Explain.