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- Median abstract "In statistics and probability theory, the median is the numerical value separating the higher half of a data sample, a population, or a probability distribution, from the lower half. The median of a finite list of numbers can be found by arranging all the observations from lowest value to highest value and picking the middle one (e.g., the median of {3, 3, 5, 9, 11} is 5). If there is an even number of observations, then there is no single middle value; the median is then usually defined to be the mean of the two middle values (the median of {3, 5, 7, 9} is (5 + 7) / 2 = 6), which corresponds to interpreting the median as the fully trimmed mid-range. The median is of central importance in robust statistics, as it is the most resistant statistic, having a breakdown point of 50%: so long as no more than half the data is contaminated, the median will not give an arbitrarily large result.A median is only defined on ordered one-dimensional data, and is independent of any distance metric. A geometric median, on the other hand, is defined in any number of dimensions.In a sample of data, or a finite population, there may be no member of the sample whose value is identical to the median (in the case of an even sample size); if there is such a member, there may be more than one so that the median may not uniquely identify a sample member. Nonetheless, the value of the median is uniquely determined with the usual definition. A related concept, in which the outcome is forced to correspond to a member of the sample, is the medoid.At most, half the population have values strictly less than the median, and, at most, half have values strictly greater than the median. If each group contains less than half the population, then some of the population is exactly equal to the median. For example, if a < b < c, then the median of the list {a, b, c} is b, and, if a < b < c < d, then the median of the list {a, b, c, d} is the mean of b and c; i.e., it is (b + c)/2.The median can be used as a measure of location when a distribution is skewed, when end-values are not known, or when one requires reduced importance to be attached to outliers, e.g., because they may be measurement errors.In terms of notation, some authors represent the median of a variable x either as or as sometimes also M. There is no widely accepted standard notation for the median, so the use of these or other symbols for the median needs to be explicitly defined when they are introduced.The median is the 2nd quartile, 5th decile, and 50th percentile.".
- Median wikiPageExternalLink index.php?section=problems&show=true&titleid=average_problem.
- Median wikiPageExternalLink EB-04C10011A.pdf.
- Median wikiPageExternalLink inequality.cgi.
- Median wikiPageExternalLink GiniHooverTheil.
- Median wikiPageExternalLink 5214872-eng.htm.
- Median wikiPageExternalLink georgewbrown.htm.
- Median wikiPageID "18837".
- Median wikiPageRevisionID "606467246".
- Median hasPhotoCollection Median.
- Median id "5900".
- Median id "p/m063310".
- Median title "Median of a distribution".
- Median title "Median".
- Median title "Statistical Median".
- Median urlname "StatisticalMedian".
- Median subject Category:Means.
- Median subject Category:Robust_statistics.
- Median subject Category:Statistical_terminology.
- Median comment "In statistics and probability theory, the median is the numerical value separating the higher half of a data sample, a population, or a probability distribution, from the lower half. The median of a finite list of numbers can be found by arranging all the observations from lowest value to highest value and picking the middle one (e.g., the median of {3, 3, 5, 9, 11} is 5).".
- Median label "Mediaan (statistiek)".
- Median label "Median".
- Median label "Median".
- Median label "Mediana (estadística)".
- Median label "Mediana (estatística)".
- Median label "Mediana (statistica)".
- Median label "Mediana".
- Median label "Médiane (statistiques)".
- Median label "Медиана (статистика)".
- Median label "وسيط (إحصاء)".
- Median label "中位數".
- Median label "中央値".
- Median sameAs Medián.
- Median sameAs Median.
- Median sameAs Mediana_(estadística).
- Median sameAs Mediana.
- Median sameAs Médiane_(statistiques).
- Median sameAs Median.
- Median sameAs Mediana_(statistica).
- Median sameAs 中央値.
- Median sameAs 중앙값.
- Median sameAs Mediaan_(statistiek).
- Median sameAs Mediana.
- Median sameAs Mediana_(estatística).
- Median sameAs m.04rkg.
- Median sameAs Q226995.
- Median sameAs Q226995.
- Median wasDerivedFrom Median?oldid=606467246.
- Median isPrimaryTopicOf Median.