Thursday, July 31, 2014

Histogram

http://www.cqeacademy.com/cqe-body-of-knowledge/continuous-improvement/quality-control-tools/histograms/

Description:  A Histogram uses a graph to show a distribution of data.  A main aspects that is unique for histograms is that is that a constant variable as opposed to the similar looking bar chart which uses different variables or categories.  This graph conveys final scores for a group of students.  The constant variable in this case is the scores the students received.

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