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Sir Harold Jeffreys
(22 Apr 1891 - 18 Mar 1989)

English astronomer, geophysicist and mathematician.


Science Quotes by Sir Harold Jeffreys (2)

The real difficulty about vulcanism is not to see how it can start, but how it can stop.
— Sir Harold Jeffreys
Earthquakes and Mountains, 2nd edition (1950), 187.
See also:  |  Volcano (14)

What the use of P [the significance level] implies, therefore, is that a hypothesis that may be true may be rejected because it has not predicted observable results that have not occurred.
— Sir Harold Jeffreys
Theory of Probability (1939), 316.
See also:  |  Experiment (199)  |  Hypothesis (83)  |  Observation (142)  |  Probability (33)  |  Result (25)  |  Statistics (49)


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