null hypothesis

noun

(in the statistical testing of a hypothesis) the hypothesis to be tested.

Compare alternative hypothesis.

Origin of null hypothesis

First recorded in 1930–35

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for null hypothesis

null hypothesis

noun

statistics the residual hypothesis if the alternative hypothesis tested against it fails to achieve a predetermined significance levelCompare 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