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null hypothesis

(in the statistical testing of a hypothesis) the hypothesis to be tested.
Origin of null hypothesis
1930-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for null hypothesis
  • It's probably the major field in which papers get published with null hypothesis results.
  • First, one develops a null hypothesis about some phenomenon or parameter.
  • The null hypothesis is either rejected or not rejected.
  • The example given there led to rejection of the null hypothesis of equality.
British Dictionary definitions for null hypothesis

null hypothesis

(statistics) the residual hypothesis if the alternative hypothesis tested against it fails to achieve a predetermined significance level Compare hypothesis testing, alternative hypothesis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for null hypothesis

the proposition that is to be tested; the hypothesis under investigation


A null hypothesis is tested and accepted or rejected in favor of an alternative.'s 21st Century Lexicon
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