distribution ratio
41Concentration ratio — In economics, a concentration ratio is a measure of the total output produced in an industry by a given number of firms in the industry. The most common concentration ratios are the CR4 and the CR8, which means the four and the eight largest… …
42Probability distribution — This article is about probability distribution. For generalized functions in mathematical analysis, see Distribution (mathematics). For other uses, see Distribution (disambiguation). In probability theory, a probability mass, probability density …
43Multivariate normal distribution — MVN redirects here. For the airport with that IATA code, see Mount Vernon Airport. Probability density function Many samples from a multivariate (bivariate) Gaussian distribution centered at (1,3) with a standard deviation of 3 in roughly the… …
44Student's t-distribution — Probability distribution name =Student s t type =density pdf cdf parameters = u > 0 degrees of freedom (real) support =x in ( infty; +infty)! pdf =frac{Gamma(frac{ u+1}{2})} {sqrt{ upi},Gamma(frac{ u}{2})} left(1+frac{x^2}{ u} ight)^{ (frac{… …
45Variance-to-mean ratio — In probability theory and statistics, the variance to mean ratio (VMR), like the coefficient of variation, is a measure of the dispersion of a probability distribution. It is defined as the ratio of the variance sigma^2 to the mean mu ::… …
46B/A ratio — The ratio that determines the spinning characteristics of an aircraft. The mass of an aircraft can be distributed about its three axes (i.e., longitudinal, lateral, and vertical). The distribution of mass about the longitudinal axis determines… …
47F-distribution — Probability distribution name =Fisher Snedecor type =density pdf cdf parameters =d 1>0, d 2>0 deg. of freedom support =x in [0, +infty)! pdf =frac{sqrt{frac{(d 1,x)^{d 1},,d 2^{d 2{(d 1,x+d 2)^{d 1+d 2{x,mathrm{B}!left(frac{d 1}{2},frac{d 2}{2}… …
48Water distribution on Earth — Contents 1 Distribution of river water 2 Variability of water availability 3 See also …
49Hotelling's T-square distribution — In statistics, Hotelling s T square statistic, [ H. Hotelling (1931) The generalization of Student s ratio , Ann. Math. Statist., Vol. 2, pp 360 ndash;378.] named for Harold Hotelling,is a generalization of Student s t statistic that is used in… …
50Golden ratio — For the Ace of Base album, see The Golden Ratio (album). Not to be confused with Golden number. The golden section is a line segment divided according to the golden ratio: The total length a + b is to the length of the longer segment a as the… …
