- standard normal distribution
- the normal distribution with mean 0 and standard deviation 1.
Medical dictionary. 2011.
Medical dictionary. 2011.
standard normal distribution — noun The normal distribution with a mean of zero and a variance of one … Wiktionary
Normal distribution — This article is about the univariate normal distribution. For normally distributed vectors, see Multivariate normal distribution. Probability density function The red line is the standard normal distribution Cumulative distribution function … Wikipedia
Standard normal table — A standard normal table also called the Unit Normal Table is a mathematical table for the values of Φ, the cumulative distribution function of the normal distribution. They are used to find the probability that a statistic is observed below,… … Wikipedia
normal distribution — Statistics. a theoretical frequency distribution represented by a normal curve. Also called Gaussian distribution. [1895 1900] * * * In statistics, a frequency distribution in the shape of the classic bell curve. It accurately represents most… … Universalium
Skew normal distribution — In probability theory and statistics, the skew normal distribution is a continuous probability distribution that generalises the normal distribution to allow for non zero skewness.The normal distribution is a highly important distribution in… … Wikipedia
Folded normal distribution — The folded normal distribution is a probability distribution related to the normal distribution. Given a normally distributed random variable X with mean μ and variance σ2, the random variable Y = | X | has a folded normal distribution. Such a… … Wikipedia
Truncated normal distribution — In probability and statistics, the truncated normal distribution is the probability distribution of a normally distributed random variable whose value is either bounded below or above (or both). The truncated normal distribution has wide… … Wikipedia
normal distribution — Gaussian distribution The symmetrical bell shaped frequency curve formed when the frequency of a range of values is plotted on the vertical axis against the value of a random variable on the horizontal axis. The bell shape indicates that extreme… … Big dictionary of business and management
normal distribution — a symmetric, bell shaped probability distribution having the density function where x is the abscissa, f(x) is the ordinate, e is the base of natural logarithms (2.718), μ is the mean, and σ is the standard deviation. The normal… … Medical dictionary
normal distribution — In common usage, normality is treated as synonymous with natural, conventional, acceptable, or ordinary. In statistics, normality is defined as the most commonly occurring, the numerically most frequent type, which is then used as the base line… … Dictionary of sociology