sample median

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• Median — This article is about the statistical concept. For other uses, see Median (disambiguation). In probability theory and statistics, a median is described as the numerical value separating the higher half of a sample, a population, or a probability… …   Wikipedia

• Sample size determination — is the act of choosing the number of observations to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample …   Wikipedia

• median — index average (midmost), central (situated near center), intermediate, mesne, norm Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

• Median absolute deviation — In statistics, the median absolute deviation (MAD) is a robust measure of the variability of a univariate sample of quantitative data. It can also refer to the population parameter that is estimated by the MAD calculated from a sample. For a… …   Wikipedia

• Median test — In statistics, Mood s median test is a special case of Pearson s chi squared test. It is a nonparametric test that tests the null hypothesis that the medians of the populations from which two samples are drawn are identical. The data in each… …   Wikipedia

• Sample maximum and minimum — Box plots of the Michelson–Morley experiment, showing sample maximums and minimums. In statistics, the maximum and sample minimum, also called the largest observation, and smallest observation, are the values of the greatest and least elements of …   Wikipedia

• Median lethal dose — This article is about the toxicological term. For the album by Mudvayne, see L.D. 50 (album). For other uses, see LD50 (disambiguation). In toxicology, the median lethal dose, LD50 (abbreviation for “Lethal Dose, 50%”), LC50 (Lethal Concentration …   Wikipedia

• median — 1. Central; middle; lying in the midline. SYN: medianus. 2. The middle value in a set of measurements; like the mean, a measure of central tendency. [L. medianus, middle] * * * me·di·an mēd ē ən n 1) a medial part (as a vein or nerve) 2 a) a… …   Medical dictionary

• Median polish — The median polish is an exploratory data analysis procedure proposed by the statistician John Tukey. It finds an additively fit model for data in a two way layout table (usually, results from a factorial experiment) of the form row effect +… …   Wikipedia

• Geometric median — The geometric median of a discrete set of sample points in a Euclidean space is the point minimizing the sum of distances to the sample points. This generalizes the median, which has the property of minimizing the sum of distances for one… …   Wikipedia

• middle sample — vidurinis ėminys statusas T sritis Standartizacija ir metrologija apibrėžtis Ėminys, paimtas skysčio lygyje, atitinkančiame pusę jo aukščio. atitikmenys: angl. middle sample rus. проба из среднего слоя жидкости, f pranc. échantillon médian, m;… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas