(in the statistical testing of a hypothesis) the hypothesis to be tested.
(statistics) the residual hypothesis if the alternative hypothesis tested against it fails to achieve a predetermined significance level Compare hypothesis testing, alternative 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.
1. a combining form meaning “none,” “null”: nullipara.
[nuhl-uh-fi-key-shuh n] /ˌnʌl ə fɪˈkeɪ ʃən/ noun 1. an act or instance of . 2. the state of being . 3. (often initial capital letter) the failure or refusal of a U.S. state to aid in enforcement of federal laws within its limits, especially on Constitutional grounds. n. in U.S. political sense of “a state’s […]
[nuhl-uh-fid-ee-uh n] /ˌnʌl əˈfɪd i ən/ noun 1. a person who has no faith or religion; skeptic. /ˌnʌlɪˈfɪdɪən/ noun 1. a person who has no faith or belief; sceptic; disbeliever adjective 2. having no faith or belief n. 1560s, from Latin nulli-, comb. form of nullus “no” (see null) + fides “faith” (see faith).
[nuhl-uh-fahy] /ˈnʌl əˌfaɪ/ verb (used with object), nullified, nullifying. 1. to render or declare legally void or inoperative: to nullify a contract. 2. to deprive (something) of value or effectiveness; make futile or of no consequence. /ˈnʌlɪˌfaɪ/ verb (transitive) -fies, -fying, -fied 1. to render legally void or of no effect 2. to render ineffective […]