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HBOK 1-471

Title ANOVA and Japanese Methods Compared
Author(s) Pallithotungal Sabir Mohamed
Source Six Sigma Forum Magazine
Topic Performance Measurement

Data Analysis

Abstract The analysis of variation (ANOVA) method is widely used to calculate sigma within, between, and sigma total. Another technique, the Japanese method of averages, is based on a method of statistical control charts. It is easily understood and can be developed on a computer using a Microsoft Excel sheet. A database developed by ANOVA and the Japanese method of averages will give similar calculated results using the same basic equation. If the ANOVA method is not directly available, it is easier to use the Japanese method of averages to calculate the sigma within, between, and total.
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