Word Study
    Variate
WORDNET DICTIONARY
Noun Variate has 1 sense
- variate(n = noun.cognition) chance variable, random variable, stochastic variable, variant - a variable quantity that is random; Array is a kind of variable, variable quantity
 
Derived form verb vary3
CIDE DICTIONARY
Variate, v. t. & i. [L. variatus, p. p. of variare. See Vary.]. 
                                            
                                         To alter; to make different; to vary.                                                                                 [1913 Webster]                                                                                                                    
                                                                                    OXFORD DICTIONARY
Variate, n.  Statistics 1 a quantity having a numerical value for each member of a group.
2 a variable quantity, esp. one whose values occur according to a frequency distribution.
                    2 a variable quantity, esp. one whose values occur according to a frequency distribution.
Etymology
                        past part. of L variare (as VARY)
                                    
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