noun
StatisticsAttributive Designating or relating to the work of Neyman and Pearson on the testing of statistical hypotheses; specifically designating: (a) a likelihood ratio test of a simple null hypothesis against a simple alternative; (b) the theorem that this test achieves the maximum probability of correctly accepting or rejecting the null hypothesis.
Origin
1930s; earliest use found in Biometrika. From the names of Jerzy Neyman, U.S. statistician, and Egon Sharpe Pearson, British statistician.
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