normal random variable

English

Noun

normal random variable (plural normal random variables)

(probability theory, statistics) A random variable whose probability distribution is a normal distribution.
- 1986, Mark C. K. Yang, David H. Robinson, Understanding and Learning Statistics by Computer, World Scientific, page 28,
  Since this density function cannot be integrated directly, in order to find probabilities involving normal random variables, we must resort to tables giving us various percentile points of the distribution.
- 2016, Geoffrey C. Berresford, Andrew M. Rockett, Applied Calculus, 7th Edition, Cengage Learning, page 731,
  Although normal random variables are continuous, they are often used to model discrete quantities. […] The probability density function of a normal random variable depends on two parameters, denoted μ and σ, which are, respectively, the mean and standard deviation of the random variable.
- 2017, Sheldon M. Ross, Introductory Statistics, 4th Edition, Elsevier (Academic Press), page 263,
  A special type of continuous random variable, known as a normal random variable, is studied. […] We present the additive property of normal random variables. The percentiles of normal random variables are studied.

Related terms

normal deviate
standard normal random variable

单词	normal random variable
释义	normal random variable English Noun normal random variable (plural normal random variables) (probability theory, statistics) A random variable whose probability distribution is a normal distribution. 1986, Mark C. K. Yang, David H. Robinson, Understanding and Learning Statistics by Computer, World Scientific, page 28, Since this density function cannot be integrated directly, in order to find probabilities involving normal random variables, we must resort to tables giving us various percentile points of the distribution. 2016, Geoffrey C. Berresford, Andrew M. Rockett, Applied Calculus, 7th Edition, Cengage Learning, page 731, Although normal random variables are continuous, they are often used to model discrete quantities. […] The probability density function of a normal random variable depends on two parameters, denoted μ and σ, which are, respectively, the mean and standard deviation of the random variable. 2017, Sheldon M. Ross, Introductory Statistics, 4th Edition, Elsevier (Academic Press), page 263, A special type of continuous random variable, known as a normal random variable, is studied. […] We present the additive property of normal random variables. The percentiles of normal random variables are studied. Related terms normal deviate standard normal random variable
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