kurtosis of a frequency curve

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• Kurtosis — In probability theory and statistics, kurtosis (from the Greek word κυρτός, kyrtos or kurtos, meaning bulging) is any measure of the peakedness of the probability distribution of a real valued random variable.[1] In a similar way to the concept… …   Wikipedia

• kurtosis — [kə: təʊsɪs] noun Statistics the sharpness of the peak of a frequency distribution curve. Origin early 20th cent.: from Gk kurtōsis bulge , from kurtos bulging, convex …   English new terms dictionary

• kurtosis — n. Statistics the sharpness of the peak of a frequency distribution curve. Etymology: mod.L f. Gk kurtosis bulging f. kurtos convex …   Useful english dictionary

• kurtosis — noun Etymology: Greek kyrtōsis convexity, from kyrtos convex more at curve Date: 1905 the peakedness or flatness of the graph of a frequency distribution especially with respect to the concentration of values near the mean as compared with the… …   New Collegiate Dictionary

• kurtosis — /kerr toh sis/, n. Statistics. the state or quality of flatness or peakedness of the curve describing a frequency distribution in the region about its mode. [1900 05; irreg. transliteration of Gk kýrtosis curvature. See CYRTOSIS] * * * …   Universalium

• kurtosis — kur•to•sis [[t]kɜrˈtoʊ sɪs[/t]] n. sta a measure of a curve describing the statistical frequency distribution in the region about its mode • Etymology: 1900–05; < Gk kýrtōsis convexity …   From formal English to slang

• kurtosis — /kɜˈtoʊsəs/ (say ker tohsuhs) noun the shape, or a measure indicating the shape, of the curve of a frequency distribution graph near its mean. {Greek kyrtōsis convexity, curvature} …  

• Pearson distribution — The Pearson distribution is a family of continuous probability distributions. It was first published by Karl Pearson in 1895 and subsequently extended by him in 1901 and 1916 in a series of articles on biostatistics. History The Pearson system… …   Wikipedia

• Normal distribution — This article is about the univariate normal distribution. For normally distributed vectors, see Multivariate normal distribution. Probability density function The red line is the standard normal distribution Cumulative distribution function …   Wikipedia

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