Thursday, 22 November 2012

An Overview of Estimation

Estimation

Definition

The inferential process of using sample statistics to estimate population parameters is called estimation.


Precision And Confidence In Estimation

Definition

For a point estimate, you use a single number as your estimate of an unknown quantity.

For an interval estimate, you use a range of values as your estimate of an unknown quantity.

When an interval estimate is accompanied by a specific level of confidence (or probability), it is called a confidence interval.

No comments:

Post a Comment