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normal random variable

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  • Normal random variable — A random variable that has a normal probability distribution. The New York Times Financial Glossary …   Financial and business terms

  • normal random variable — A random variable that has a normal probability distribution. Bloomberg Financial Dictionary …   Financial and business terms

  • Normal-gamma distribution — Normal gamma parameters: location (real) (real) (real) (real) support …   Wikipedia

  • 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

  • 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

  • Variable (mathematics) — In mathematics, a variable is a value that may change within the scope of a given problem or set of operations. In contrast, a constant is a value that remains unchanged, though often unknown or undetermined.[1] The concepts of constants and… …   Wikipedia

  • Normal variance-mean mixture — In probability theory and statistics, a normal variance mean mixture with mixing probability density g is the continuous probability distribution of a random variable Y of the form where α and β are real numbers and σ > 0 and random variables… …   Wikipedia

  • 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 curve — noun a symmetrical curve representing the normal distribution • Syn: ↑bell shaped curve, ↑Gaussian curve, ↑Gaussian shape • Topics: ↑statistics • Hypernyms: ↑curve, ↑curved shap …   Useful english dictionary

  • 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 curve — Statistics. a bell shaped curve showing a particular distribution of probability over the values of a random variable. Also called Gaussian curve, probability curve. Compare illus. under bell shaped curve. [1890 95] * * * …   Universalium

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