Estimator

//ˈɛs.təˌmeɪ.tɚ// noun

Definitions

Noun
  1. 1
    A person who estimates, especially one who estimates costs

    "The Æstimators of the Valor of everie Townes Teinds."

  2. 2
    an expert at calculation (or at operating calculating machines) wordnet
  3. 3
    A function of a random sample of a population used to estimate some parameter of the whole population

Etymology

From Latin aestimātor; equivalent to estimate + -or.

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