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alternative hypothesis

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noun
  1. (in the statistical testing of a hypothesis) the hypothesis to be accepted if the null hypothesis is rejected.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for alternative hypothesis

alternative hypothesis

noun
  1. statistics the hypothesis that given data do not conform with a given null hypothesis: the null hypothesis is accepted only if its probability exceeds a predetermined significance levelCompare hypothesis testing, null hypothesis
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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