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.

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