Normal Distribution

The well known bell shaped curve. According to the Central Limit Theorem, the probability density function of a large number of independent, identically distributed random numbers will approach the normal distribution. In the fractal family of distributions, the normal distribution only exists when alpha equals 2, or the Hurst exponent equals 0.50. Thus, the normal distribution is a special case which in time series analysis is quite rare. See: Alpha, Central Limit Theorem, Fractal Distribution.

Bell Curve

A curve on a chart in which most data points cluster around the median and become less frequent the farther they fall to either side of the median. When plotted on a chart, a bell curve looks roughly like a bell.

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References in periodicals archive

We could try more values for the skew normal distribution, for which we tried only two values in present paper.

Publication bias in meta-analysis: confidence intervals for Rosenthal's fail-safe number

The definition of grey degree based on normal distribution has an universal significance.

Research and application for grey relational analysis in multigranularity based on normality grey number

--The porosity distribution is not a large dispersion and has a normal distribution so there is no need to use the normalization methods.

Providing a subsurface reservoir quality maps in oil fields by geostatistical methods

To get estimates for the parameters of the normal distribution, we could use standard maximum likelihood estimators (MLEs).

Ammunition purchase decisions in the face of long lead times and usage uncertainty

(8) Under such distribution, Equations 6-10 can be expressed in the following way, using density ([f*.sub.t]) and cumulative standard normal distributions ([F*.sub.t]):

Non-positive scaling factor in probability quantification methods: deriving consumer inflation perceptions and expectations in the whole Euro Area and Ireland

By modifying Pacey's speed normal distribution, the proposed TGMD is shown in the following equation:

Mixed platoon flow dispersion model based on speed-truncated Gaussian mixture distribution

Normal distribution with mean 25 and standard deviation 8 for sample sizes 10.

USE OF GINI'S MEAN DIFFERENCE IN ANALYSIS OF MEANS

MV/LV Normal distribution m = 182660,97 transformers [sigma] = 85904,68 2.

The use of extended Petri nets in analyzing the reliability of MV / LV distribution transformer stations/Isplestu Petri tinklu naudojimas vidutines itampos pastociu patikimumo analizei

The normal distribution curve is used as a tool in measuring human capacities, pioneered by the leader Jack Welch, the former Chief Executive Officer of General Electric.

Practitioner perspective comparison of performance appraisal score: a modified methodology

To make the overly erratic data fit into a normal distribution model, says Bar-Yam, economists and finance quants often add complicated parameters and conditions to their models, replete with confusing terminology like heteroscedasticity and kurtosis, but all that does is cover a much simpler flaw.

Unmasking the Chicago School