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A quantity having a numerical value for each member of a group, especially one whose values occur according to a frequency distribution.Also called variate
- ‘An alternative approach is to consider allelic frequencies as random variables, whose distribution depends on some parameters of the population model.’
- ‘For example, the correlation coefficient between two random variables is zero not only in the case of independence, but whenever there is no linear association.’
- ‘Chernoff bounds are the most useful for sums of bounded independent random variables.’
- ‘In this case, the numbers of people wanting to buy tickets at a given fare are random variables.’
- ‘The error terms from the regression equations are modeled as random variables with a probability distribution.’
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.