two-sided hypothesis

См. также в других словарях:

• 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

• two-tailed test — a hypothesis test (q.v.) in which the critical region comprises both tails of the distribution of the test statistic and the null hypothesis is tested against a two sided alternative that includes deviation from the null hypothesis in both… …   Medical dictionary

• Two-Tailed Test — A statistical test in which the critical area of a distribution is two sided and tests whether a sample is either greater than or less than a certain range of values. If the sample that is being tested falls into either of the critical areas, the …   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

• Pacific White-sided Dolphin — Taxobox name = Pacific White sided DolphinMSW3 Cetacea|id=14300064] status = LC status system = iucn3.1 status ref =IUCN2008|assessors=Hammond, P.S., Bearzi, G., Bjørge, A., Forney, K., Karczmarski, L., Kasuya, T., Perrin, W.F., Scott, M.D., Wang …   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

• 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

• Student's t-test — /tee test /, Statistics. a test for determining whether or not an observed sample mean differs significantly from a hypothetical normal population mean. [1945 50; see STUDENT S T DISTRIBUTION] * * * ▪ statistics       in statistics, a method of… …   Universalium

• Confidence distribution — This article is about the confidence distribution. For Confidence interval, see Confidence interval. In statistics, the concept of a confidence distribution (CD) has often been loosely referred to as a distribution function on the parameter space …   Wikipedia

• Student's t-distribution — Probability distribution name =Student s t type =density pdf cdf parameters = u > 0 degrees of freedom (real) support =x in ( infty; +infty)! pdf =frac{Gamma(frac{ u+1}{2})} {sqrt{ upi},Gamma(frac{ u}{2})} left(1+frac{x^2}{ u} ight)^{ (frac{… …   Wikipedia