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In descriptive statistics, summary statistics are used to summarize a set of observations, in order to communicate as much as possible as simply as possible. Statisticians commonly try to describe the observations in

a measure of location, or central tendency, such as the arithmetic mean, median, mode, or interquartile mean
a measure of statistical dispersion like the standard deviation, variance, range, or interquartile range, or absolute deviation.
a measure of the shape of the distribution like skewness or kurtosis

The Gini coefficient was originally developed to measure income inequality, but can be used for other purposes as well.

See also: descriptive statistics, statistical theoryThe theory of statistics includes a number of topics: Statistical models of the sources of data and typical problem formulation: # Sampling from a finite population #Measuring observational error and refining procedures #Studying statistical relations Pla

StatisticsStatistics is the science and practice of developing human knowledge through the use of empirical data. It is based on statistical theory which is a branch of applied mathematics. Within statistical theory, randomness and uncertainty are modelled by proba

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Topics: Summary Statistics, Summary Offence, Summary Of Sec. 411 Of The...

Summary statisticsIn descriptive statistics, summary statistics are used to summarize a set of observations, in order to communicate as much as possible as simply as possible. Statisticians commonly try to describe the observations in # a measure of location, or central te	Summary offenceIn the law of many common law jurisdictions, a summary offence is an offence which can be tried without an indictment. In practice, this often means a trial without a jury, jury trials being reserved for indictable offences. Contrast with indictable offen	Summary of Sec. 411 of the USA PATRIOT ActThis is a summary from THOMAS, the public domain database of the U. Congress: (Sec. 411) of the USA PATRIOT Act includes within the definition of " terrorist activity" the use of any weapon or dangerous device. Redefines "engage in terrorist activity" to
Summary judgmentA summary judgment is a legal decision in a case made when one party to a lawsuit requests summary judgment by pre-trial motion. The idea behind summary judgment is that if a fact is undisputed then there is no need for a trial on that issue. If there are	Summary for policymakersThe Summary for policymakers is a summary of the IPCC reports intended to aid policymakers (so the poor dears don't have to read the difficult bits). It is approved line by line by governments. The argument is that the scientists determine what can said,

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