one-sided alternative hypothesis

См. также в других словарях:

• one-tailed test — a hypothesis test (q.v.) in which the critical region is one tail of the distribution of the test statistic and the null hypothesis is tested against a one sided alternative that includes deviations from the null hypothesis only in one direction …   Medical dictionary

• One-Tailed Test — A statistical test in which the critical area of a distribution is one sided so that it is either greater than or less than a certain value, but not both. If the sample that is being tested falls into the one sided critical area, the alternative… …   Investment dictionary

• 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

• P-value — In statistical significance testing, the p value is the probability of obtaining a test statistic at least as extreme as the one that was actually observed, assuming that the null hypothesis is true. One often rejects the null hypothesis when the …   Wikipedia

• Confirmation bias — (also called confirmatory bias or myside bias) is a tendency for people to favor information that confirms their preconceptions or hypotheses regardless of whether the information is true.[Note 1][1] As a result, people gather evidence and recall …   Wikipedia

• Two-tailed test — The two tailed test is a statistical test used in inference, in which a given statistical hypothesis, H0 (the null hypothesis), will be rejected when the value of the test statistic is either sufficiently small or sufficiently large. This… …   Wikipedia

• Europe, history of — Introduction       history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …   Universalium

• Test de Kolmogorov-Smirnov — En statistiques, le test de Kolmogorov Smirnov est un test d hypothèse utilisé pour déterminer si un échantillon suit bien une loi donnée connue par sa fonction de répartition continue, ou bien si deux échantillons suivent la même loi. Sommaire 1 …   Wikipédia en Français

• Test de kolmogorov-smirnov — En statistiques, le test de Kolmogorov Smirnov est un test d hypothèse utilisé pour déterminer si un échantillon suit bien une loi donnée connue par sa fonction de répartition continue, ou bien si deux échantillons suivent la même loi. Sommaire 1 …   Wikipédia en Français

• Resampling (statistics) — In statistics, resampling is any of a variety of methods for doing one of the following: # Estimating the precision of sample statistics (medians, variances, percentiles) by using subsets of available data (jackknife) or drawing randomly with… …   Wikipedia

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium