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(Coining the phrase ‘test of significance’): Critical tests of this kind may be called tests of significance, and when such tests are available we may discover whether a second sample is or is not significantly different from the first.

— Ronald Fisher

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More quotes by Ronald Fisher

No efforts of mine could avail to make the book easy reading.

The Genetical Theory of Natural Selection (1930)

To consult the statistician after an experiment is finished is often merely to ask him to conduct a post mortem examination. He can perhaps say what the experiment died of.

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

Fairly large print is a real antidote to stiff reading.

Available scientific knowledge provides a firm basis for believing that the groups of mankind differ in their innate capacity for intellectual and emotional development.

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Quote text and notes from Wikiquote: Ronald Fisher (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.