normal distribution

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Synonyms for normal distribution

a theoretical distribution with finite mean and variance

References in periodicals archive ?
The simulated normal distributions were truncated to within 3SD for the normal distribution, and for the simulated ln-normal data with a mean of 1, we used truncation to exclude values >2.
However, much confusion remains around norm-referenced assessments, particularly the use of the "bell curve," or normal distribution.
Likewise, the log-log plot of the density function for a log normal distribution is a straight line for a large part of the body.
This is justified by the author that the unpublished studies follow a truncated normal distribution with x [less than or equal to] [z.
and replacing parameters of the normal distribution with their definitions 20 and 21, the benchmark value is derived in the following way:
METHODS: We have presented the likelihood function for a bivariate normal distribution taking into account values < LOD as well as missing data assumed missing at random, and we use the estimated distributional parameters to impute values < LOD and to generate multiple plausible data sets for analysis by standard statistical methods.
When determining the quantile of free distribution, there is a possibility of using other than normal distributions, which can eliminate the imperfections of normal distribution during the estimation of financial time series.
Relative frequency distributions of the ratios of standard deviations of scores and the ratios of standard deviations of the corresponding ranks are plotted in Figure 1, for normal distributions with N = 100.
Note that the discrete nature of normal distributions was experimentally discovered in different physical processes in already the 1950's by S.
Bhattacharya's method, distinguishing parameters with normal distribution from a combined distribution pattern (Sparre & Venema, 1992), can be used for splitting composite distributions of otolith weight and fish length distributions into separate normal distributions, applicable to cohorts.
A discussion of the discrepancies between the empirical data and adjusted normal distributions appears in Section 4.
For Normal distributions, Stein's lemma states that for a bivariate normal random variable (X, Y), we have
Thus, random parameter values are to be changed around a certain value and some of the distributions appropriate for this reality are triangular and normal distributions by choosing randomly the rate at which c--new birds are born, death rate of b--susceptible and infected birds, death rate of m--the additional mediated by avian influenza, the rate at which [omega]--avian influenza is contracted from an average bird individual, the rate at which [lambda]--new humans are born, death rate of [mu]--susceptible and infected humans, d--the additional death rate mediated by avian influenza, the rate at which [[beta].
Many non-normal distributions can be used to model a response, but if an alternative to the normal distribution is going to be viable, the exponential, lognormal, and Weibull distributions usually work.
The third step is to analysis normal distributions on the sphere surface.