Histogram

The Quality Toolbook > Histogram

When to use it | How to understand it | Example | How to do it | Practical variations

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The Histogram is used to show the frequency distribution of a set of measurements.

• When to use it: Situations when it is useful.
• How to understand it : Details of how it works.
• Examples : Some examples of usage.
• How to do it : Step-by-step instructions on using it.
• Practical variations : Variants and variation.

Notes

The Histogram was first used in 1833 by the French statistician A. M. Guerry. Histograms are a subset of (and are sometimes confused with) Bar Charts. They are one of the first seven tools.