non-null hypothesis
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Null Hypothesis: The Journal of Unlikely Science — Categories Science Satire and Information Publisher Null Hypothesis Ltd First issue 2004 Country England Website http://www.null … Wikipedia
Null hypothesis — For the periodical, see Null Hypothesis: The Journal of Unlikely Science. The practice of science involves formulating and testing hypotheses, assertions that are capable of being proven false using a test of observed data. The null hypothesis… … Wikipedia
Null — may refer to: Contents 1 In computing 2 In art 3 In mathematics 4 In science 5 People … Wikipedia
Null result — In science, a null result is a result without the expected content: that is, the proposed result is absent.[1] It is an experimental outcome which does not show an otherwise expected effect. This does not imply a result of zero or nothing, simply … Wikipedia
null — adj. & n. adj. 1 (esp. null and void) invalid; not binding. 2 non existent; amounting to nothing. 3 having or associated with the value zero. 4 Computing a empty; having no elements (null list). b all the elements of which are zeros (null matrix) … Useful english dictionary
Null (mathematics) — For other uses, see Null (disambiguation). In mathematics, the word null (from German null, which is from Latin nullus, both meaning zero , or none )[1] means of or related to having zero members in a set or a value of zero. Sometimes the symbol… … Wikipedia
hypothesis — A conjecture advanced for heuristic purposes, cast in a form that is amenable to confirmation or refutation by the conductance of definable experiments and the critical assembly of empiric data; not to be confused with assumption, postulation, or … Medical dictionary
Statistical hypothesis testing — This article is about frequentist hypothesis testing which is taught in introductory statistics. For Bayesian hypothesis testing, see Bayesian inference. A statistical hypothesis test is a method of making decisions using data, whether from a… … Wikipedia
Alternative hypothesis — Main article: Statistical hypothesis testing In statistical hypothesis testing, the alternative hypothesis (or maintained hypothesis or research hypothesis) and the null hypothesis are the two rival hypotheses which are compared by a statistical… … Wikipedia
Type I and type II errors — In statistics, the terms Type I error (also, α error, or false positive) and type II error (β error, or a false negative) are used to describe possible errors made in a statistical decision process. In 1928, Jerzy Neyman (1894 1981) and Egon… … Wikipedia
Student's t-test — A t test is any statistical hypothesis test in which the test statistic follows a Student s t distribution if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of … Wikipedia
