#statistical_distribution__statisticaldistribution__distribution  an arrangement of values of a variable showing their observed or theoretical frequency of occurrence
  supertype:  #organisation__arrangement__organization__system  an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification"
  part of:  #statistics
  subtype:  #frequency_distribution__frequencydistribution  a distribution of observed frequencies of occurrence of the values of a variable
  subtype:  #normal_distribution__Gaussian_distribution  a theoretical distribution with finite mean and variance
  subtype:  #Poisson_distribution  a theoretical distribution that is a good approximation to the binomial distribution when the probability is small and the number of trials is large
  subtype:  #sample_distribution__sample  items selected from a population and used to test hypotheses about the population
     subtype:  #random_sample  a sample in which every element in the population has an equal chance of being selected
     subtype:  #stratified_sample__representative_sample__proportional_sample  the population is divided into strata and a random sample is taken from each stratum
  subtype:  #binomial_distribution__Bernoulli_distribution  a theoretical distribution of the number of successes in a finite set of independent trials with a constant probability of success

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