The analysis of variance is not a mathematical theorem, but rather a convenient method of arranging the arithmetic.

This began a period of great productivity. With her sister's help he set up a subsistence farming operation on the Bradfield estate where they had a large garden and raised animals learning to make do on very little. The marginal notes became the food for a correspondence running at least three years.

FiRonald Fisherr is known as one of the chief architects of the neo-Darwinian synthesis and for his contributions to statistics by creating ANOVA (analysis of variance) FiRonald Fisherr's exact test and FiRonald Fisherr's equation among other things. Sir Ronald Aylmer FiRonald Fisherr FRS (17 February 1890 – 29 July 1962) was an English statistician evolutionary biologist geneticist and eugenicist.