HLST 3400 Lecture 3: IHI QI104 Summary

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Qi 104: interpreting data: run charts, control charts, and other measurement tools (visit www. ihi. org/education/ihiopenschool/courses to learn more. ) Lesson 1: how to display data on a run chart. A run chart is an essential improvement tool because it displays change over time. It"s easy and often sufficient to build a run chart by hand. There are many computer programs, such as microsoft excel, libre office, or google. Docs that can help you draw a run chart: ihi has a run chart template for microsoft excel freely available at: http://app. ihi. org/lms/content/77a180e3-18be-4969-a23b- d0e96e57e39f/upload/qi104_runcharttemplate. xls. Lesson 2: how to learn from run charts and control charts. A shewhart chart (or control chart) looks like a run chart but has the added feature of control limits. Data outside the limits indicates special cause variation. Lesson 3: histograms, pareto charts, and scatter plots. A histogram is a special type of bar chart, used to display the variation in continuous data such as time, weight, size, or temperature.

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