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kurtosis

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descriptive statistics

Overview page. Subjects: Science and Mathematics — Medicine and Health.

(dis-kript-iv)

the use of statistics to organize and present data in a study in an informative way that describes the basic features of the data and enables analysis.

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leptokurtic

Overview page. Subjects: Biological Sciences — Economics.

Applied to a distribution that is more peaked than a Gaussian distribution (i.e. a few points occur far from the origin, but most are very close to it).

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measure of dispersion

Overview page. Subjects: Sports and Exercise Medicine — Public Health and Epidemiology.

The extent to which a series of measurements vary around a central value is signified by the standard deviation when the data are normally distributed. The difference or distance between...

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moments

Overview page. Subjects: Financial Institutions and Services.

Statistical measures of a distribution of outcomes. The main moments used are the mean, variance, third moment, and fourth moment. The mean is a measure of the centre or average outcome....

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platykurtic

Overview page. Subjects: Economics.

A description of a frequency distribution curve which is less peaked than a normal distribution, i.e. less concentrated around the mean than is the case if the distribution was normal (cf....

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skew

Overview page. Subjects: Medicine and Health — Probability and Statistics.

(in statistics)

A measure of the symmetry of a frequency distribution. If frequent scores are clustered at the lower end of the distribution and the tail points towards the higher...

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skewness

Overview page. Subjects: Science and Mathematics — Economics.

An expression of the degree of asymmetry shown on a frequency distribution. A non-skewed distribution is a perfect, normal (Gaussian) distribution. Grain-size distributions are skewed...

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