Article | REF: R260 V1

Analysis of variance and regression. Design of experiments

Author: Jacques POIRIER

Publication date: January 10, 1993, Review date: August 18, 2022

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3. Practical calculations for single-entry ANOVA

To speed things up and limit the risk of calculation errors, we fill in the 2 table, known as the analysis of variance table, using the practical formulas in table 3 . These formulas make it easy to calculate "by hand" the moderately complex problems that most engineers face. Above all, they obviate the need to calculate differences of the type xijxi , which have a large number of significant digits, thus avoiding rounding errors and reducing the space used in computer memories.

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Practical calculations for single-entry ANOVA
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