The analysis of variance is not a mathematical theorem, but rather a convenient method of arranging the arithmetic.
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Other Quotes by "Ronald Fisher"

Natural selection is not evolution.
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I believe sanity and realism can be restored to the teaching of Mathematical Statistics most easily and directly by entrusting such teaching largely to men and women who have had personal experience of research in the Natural Sciences.
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We have the duty of formulating, of summarizing, and of communicating our conclusions, in intelligible form, in recognition of the right of other free minds to utilize them in making their own decisions.
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Natural selection is a mechanism for generating an exceedingly high degree of improbability.
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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.
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