quartile deviation

См. также в других словарях:

• quartile deviation — noun : one half of the difference obtained by subtracting the first quartile from the third quartile in a frequency distribution * * * quartile deviation noun (statistics) The distance between the values below which the lowest fourth and above… …   Useful english dictionary

• variation — (statistical) The greater part of empirical research is concerned with the characteristics of groups, or aggregate social entities, rather than individual cases; that is, with men or women in general, rather than any particular man or woman. A… …   Dictionary of sociology

• variation (statistical) — The greater part of empirical research is concerned with the characteristics of groups, or aggregate social entities, rather than individual cases; that is, with men or women in general, rather than any particular man or woman. A range of… …   Dictionary of sociology

• Dispersion (finance) — Dispersion is a measure for the statistical distribution of portfolio returns. It is the asset weighted standard deviation of individual portfolio returns within a comparable client group (composite) from the composite return. Types of Dispersion …   Wikipedia

• statistics — /steuh tis tiks/, n. 1. (used with a sing. v.) the science that deals with the collection, classification, analysis, and interpretation of numerical facts or data, and that, by use of mathematical theories of probability, imposes order and… …   Universalium

• Percentile — A percentile is the value of a variable below which a certain percent of observations fall. So the 20th percentile is the value (or score) below which 20 percent of the observations may be found. The term percentile and the related term… …   Wikipedia

• List of statistics topics — Please add any Wikipedia articles related to statistics that are not already on this list.The Related changes link in the margin of this page (below search) leads to a list of the most recent changes to the articles listed below. To see the most… …   Wikipedia

• Box plot — In descriptive statistics, a boxplot (also known as a box and whisker diagram or plot) is a convenient way of graphically depicting groups of numerical data through their five number summaries (the smallest observation, lower quartile (Q1),… …   Wikipedia

• 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

• Interquartile range — In descriptive statistics, the interquartile range (IQR), also called the midspread, middle fifty and middle of the #s, is a measure of statistical dispersion, being equal to the difference between the third and first quartiles.Unlike the (total) …   Wikipedia

• Statistical dispersion — In statistics, statistical dispersion (also called statistical variability or variation) is variability or spread in a variable or a probability distribution. Common examples of measures of statistical dispersion are the variance, standard… …   Wikipedia