Definitions for

**"Estimator"**An estimator is any value calculated from the sample data For example, the sample mean is an estimator of the population mean.

A random variable that can be calculated from sample data which is used to give information about an unknown quantity in the population. For example, the sample mean is an estimator of the population mean. Each observed sample gives a value of the estimator.

an expert at calculation (or at operating calculating machines)

One who estimates or values; a valuer.

an accountant or production manager who estimates the cost of making a movie from a screenplay.

One who computes or approximates the cost of work to be done on which quotation may be based.

An appraiser or insurance company representative who inspects a damaged vehicle and determines the cost required to restore the vehicle to the condition prior to the Loss.

LANE STEPS

The individual performing or creating the "estimate."