An estimator is "______" if its expected value equals the population parameter of interest
An estimator is "______" if its expected value equals the population parameter of interest
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An estimator is "______" if its
Expert Solution
Step 1
The question is about inference
Introduction :
Estimator :
When a statistic is used to estimate a popl. parameter, known as estimator
There are two types of estimator :
1 ) Unbiased estimator :
If expected value is equals to popl. parameter then the estimator is known as an unbiased estimator
For example : Sample mean is an unbiased estimator of popl. mean
E ( ) =
2 ) Biased estimator :
If expected value is not equals to popl. parameter or there is difference between expected value and popl. parameter value then the estimator is known as an unbiased estimator
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