Most important person related with the method of ‘Analysis of Variance’ in Statistics

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The method of Analysis of Variance (ANOVA) is a statistical technique used to compare means across different groups and determine if there is a statistically significant difference between them. This method was developed by R. A. Fisher, an English statistician, in the early 20th century.
Fisher is considered one of the most influential figures in the development of modern statistics, and his work on experimental design and analysis of variance laid the foundation for much of contemporary statistical analysis.