• 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
  • Thumbnail for Dispersion (optics)
    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
  • Thumbnail for Statistical dispersion
    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
  • Thumbnail for Low-dispersion glass
    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
  • Thumbnail for Refractive index
    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
  • Thumbnail for Poisson distribution
    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
  • Thumbnail for Air quality index
    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
  • Thumbnail for Covariance 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...
    4 KB (552 words) - 00:56, 26 April 2024
  • 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
  • Thumbnail for Interquartile range
    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
  • Thumbnail for Skewness
    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
  • Thumbnail for Atmospheric dispersion modeling
    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
  • Thumbnail for Statistical parameter
    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
  • 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...
    7 KB (874 words) - 06:11, 12 April 2024
  • Thumbnail for Confidence interval
    {\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
  • 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
  • Thumbnail for Summary statistics
    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
  • 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
  • Thumbnail for Z-test
    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
  • Thumbnail for 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
  • Thumbnail for Descriptive statistics
    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
  • Thumbnail for Box plot
    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