The sample statistic, such as , s, or , that provides the point estimate of the population parameter is known as a
A) point estimator.
B) parameter.
C) population parameter.
D) population statistic.

Question

The sample statistic, such as  , s, or  , that provides the point estimate of the population parameter is known as a
A) point estimator. 
B) parameter. 
C) population parameter. 
D) population statistic.

Quizplus · Accepted Answer

A sample statistic that provides a point estimate of a population parameter is known as a point estimator. Parameters are characteristics of a population, whereas statistics are characteristics of a sample. Population parameters are usually unknown and are estimated using sample statistics. Population statistics does not make sense as there is no such thing as a population statistic.

The Sample Statistic, Such as , S, or