the index of dispersion, dispersion index, coefficient of dispersion, relative variance, or variance-to-mean ratio (VMR), like the coefficient of variation...
10 KB (1,274 words) - 01:26, 3 October 2024
dispersion, a quantifiable variation of measurements of differing members of a population Index of dispersion, a normalized measure of the dispersion...
3 KB (422 words) - 16:58, 29 October 2023
Dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency. Sometimes the term chromatic dispersion is used for to refer...
33 KB (3,424 words) - 20:30, 16 October 2024
Morisita's overlap index, named after Masaaki Morisita, is a statistical measure of dispersion of individuals in a population. It is used to compare overlap...
3 KB (406 words) - 18:02, 1 September 2024
statistics, dispersion (also called variability, scatter, or spread) is the extent to which a distribution is stretched or squeezed. Common examples of measures...
7 KB (936 words) - 23:55, 23 June 2024
Low-dispersion glass (LD glass) is a type of glass with reduced chromatic aberration, meaning the refractive index does not change as strongly with different...
16 KB (1,628 words) - 02:32, 18 August 2024
Taylor's law (category Statistical deviation and dispersion)
Lloyd's index of crowding. Fisher's index of dispersion is I D = ( n − 1 ) s 2 m {\displaystyle \mathrm {ID} ={\frac {(n-1)s^{2}}{m}}} This index may be...
97 KB (14,251 words) - 18:03, 1 September 2024
well in describing dispersion. Sellmeier coefficients are often quoted instead of the refractive index in tables. Because of dispersion, it is usually important...
78 KB (8,738 words) - 21:55, 22 September 2024
variables Index (economics) Index number Index of coincidence Index of dispersion Index of dissimilarity Indicators of spatial association Indirect least squares...
87 KB (8,285 words) - 04:29, 7 October 2024
Poisson distribution (redirect from Poisson law of large numbers)
variation is λ − 1 / 2 , {\textstyle \lambda ^{-1/2},} while the index of dispersion is 1.: 163 The mean absolute deviation about the mean is: 163 E...
81 KB (11,248 words) - 16:53, 25 August 2024
Some of these are Canada's Air Quality Health Index, Malaysia's Air Pollution Index, and Singapore's Pollutant Standards Index. Computation of the AQI...
64 KB (4,995 words) - 15:26, 10 October 2024
Covariance matrix (redirect from Dispersion matrix)
matrix, dispersion matrix, variance matrix, or variance–covariance matrix) is a square matrix giving the covariance between each pair of elements of a given...
35 KB (5,447 words) - 03:53, 8 October 2024
times distorts the shape. Modal dispersion limits the bandwidth of multimode fibers. For example, a typical step-index fiber with a 50 μm core would be...
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minimizes modal dispersion. Multi-mode optical fiber can be built with either a graded-index or a step-index profile. The advantage of graded-index multi-mode...
3 KB (426 words) - 05:21, 8 August 2023
statistics, the interquartile range (IQR) is a measure of statistical dispersion, which is the spread of the data. The IQR may also be called the midspread...
10 KB (1,144 words) - 07:55, 10 August 2024
optical fiber, the zero-dispersion wavelength is the wavelength or wavelengths at which material dispersion and waveguide dispersion cancel one another. In...
3 KB (414 words) - 18:59, 16 September 2019
Skewness (redirect from Yule–Kendall index)
the MAD measure of dispersion.[citation needed] Other names for this measure are Galton's measure of skewness, the Yule–Kendall index and the quartile...
27 KB (3,960 words) - 19:06, 31 May 2024
Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere. It is performed with computer...
33 KB (3,658 words) - 06:23, 1 October 2024
location parameter dispersion parameter or scale parameter shape parameter Where a probability distribution has a domain over a set of objects that are...
5 KB (659 words) - 06:59, 18 August 2024
Correlation coefficient (redirect from Coefficient of correlation)
of some type of linear correlation, meaning a statistical relationship between two variables. The variables may be two columns of a given data set of...
6 KB (665 words) - 21:58, 26 March 2024
( i ) {\displaystyle x_{(i)}} with parentheses enclosing the subscript index i is the ith order statistic, i.e., the ith-smallest number in the sample...
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Confidence interval (redirect from Level of confidence)
{\displaystyle \gamma } % of the time. The confidence level, degree of confidence or confidence coefficient represents the long-run proportion of CIs (at the given...
36 KB (4,580 words) - 02:07, 25 September 2024
Central tendency (redirect from Measure of central tendency)
tendency of quantitative data to cluster around some central value." The central tendency of a distribution is typically contrasted with its dispersion or variability;...
13 KB (1,720 words) - 13:56, 19 August 2024
one of them produces a different average. Secondly, in this situation, 0° (or 360°) is geometrically a better average value: there is lower dispersion about...
13 KB (1,946 words) - 18:52, 21 September 2024
observations in a measure of location, or central tendency, such as the arithmetic mean a measure of statistical dispersion like the standard mean absolute...
6 KB (541 words) - 01:53, 11 January 2024
P-value (section Testing the fairness of a coin)
Replicability-Index. Retrieved 7 March 2017. Marden JI (December 2000). "Hypothesis Testing: From p Values to Bayes Factors". Journal of the American Statistical...
58 KB (6,996 words) - 01:41, 8 October 2024
the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution. Z-test tests the mean of a distribution....
12 KB (1,791 words) - 14:35, 4 February 2024
Sellmeier equation (redirect from List of coefficients of Sellmeier equation)
between refractive index and wavelength for a particular transparent medium. The equation is used to determine the dispersion of light in the medium...
10 KB (1,233 words) - 15:33, 19 July 2024
measures of central tendency and measures of variability or dispersion. Measures of central tendency include the mean, median and mode, while measures of variability...
8 KB (961 words) - 01:30, 17 October 2024
Box plot (section In the case of large datasets)
length). The spacings in each subsection of the box-plot indicate the degree of dispersion (spread) and skewness of the data, which are usually described...
20 KB (2,994 words) - 11:13, 28 June 2024