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Affinity chart or diagram

Tool used to collect large quantities of data and/or information from many people or places. The ideas are usually categorized into similar columns. The columns are identified for a given group of ideas. It breaks a process or procedure down into groups and/or subgroups, using stratified sampling to focus the analysis?s efforts on one area at a time. It groups similar items together instead of listing them in chronological order.

Typically used as a tool in six sigma or other process improvement initiatives.

Also see Control Chart, Control Plan, Sampling Bias, and Sample.

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Last Updated: Saturday, 10-Jun-06 15:50:57 PDT