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Assume the role of team facilitators. prepare a presentation illustrated with 4 slides describing various quality management tools and their applications. Use histograms.

Point form would be sufficient. Thank you.

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Solution Summary

Using point-form for a presentation, this solution describes various quality management tools and their applications. Diagrams of the tools, including histograms, are also provided.

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Quality Management Tools
1. Histograms
• A histogram is a specialized type of bar chart.
• Individual data points are grouped together in classes, so that you can get an idea of how frequently data in each class occur in the data set.
• High bars indicate more points in a class, and low bars indicate less points.
• I.e. In the histogram shown at http://www.skymark.com/resources/tools/histograms.asp), the peak is in the 40-49 class (see chart where there are four points.
• The strength of a histogram is that it provides an easy-to-read picture of the location and variation in a data set. There are, however, two weaknesses of histograms that you should bear in mind:
• The first is that histograms can be manipulated to show different pictures. If too few or too many bars are used, the histogram can be misleading. This is an area, which requires some judgment, and perhaps some experimentation, based on the analyst's experience.
• Histograms can also obscure the time differences among data sets. For example, if you looked at data for #births/day in the United States in 1996, you would miss any seasonal variations, e.g. peaks around the times of full moons. Likewise, in quality control, a histogram of a process run tells only one part of a long story. There is a need to keep reviewing the histograms and control charts for consecutive process runs over an extended time to gain useful knowledge about a process.
• See more ...

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