Definition of null hypothesis noun from the Oxford Advanced Learner's Dictionary


null hypothesis

BrE BrE//ˈnʌl haɪpɒθəsɪs//
; NAmE NAmE//ˈnʌl haɪpɑːθəsɪs//
(statistics) Experiments and research
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the idea that an experiment that is done using two groups of people will show the same results for each group See related entries: Experiments and research
See the Oxford Advanced American Dictionary entry: null hypothesis