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单词 normal distribution
释义

WordReference Random House Unabridged Dictionary of American English © 2024
normal distribution, [Statistics.]
  1. Statisticsa theoretical frequency distribution represented by a normal curve. Also called Gaussian distribution. 
  • 1895–1900

Collins Concise English Dictionary © HarperCollins Publishers::
normal distribution n
  1. a continuous distribution of a random variable with its mean, median, and mode equal, the probability density function of which is given by (exp-[(x–μ)²/2σ²]/σ√(2π)) where μ is the mean and σ² the variance
    Also called: Gaussian distribution
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