Meaning of the word estimator in English

What does estimator mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

estimator

US /ˈɛstɪˌmeɪtər/
UK /ˈestɪmeɪtər/

Noun

1.

a person whose job is to calculate the cost of something

Example:
The construction company hired a new estimator to bid on projects.
As an experienced estimator, he could accurately predict project costs.
2.

a statistic used to estimate an unknown parameter in a statistical model

Example:
The sample mean is a common estimator for the population mean.
The maximum likelihood estimator is often used in statistical inference.