An estimator is said to be consistent if for any 0, as n . That is, is
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An estimator is said to be consistent if for any 0, as n . That is, is consistent if, as the sample size gets larger, it is less and less likely that will be further than from the true value of .
Show that is a consistent estimator of when s2 by using Chebyshev’s inequality from Exercise 44 of Chapter 3.
[Hint: The inequality can be rewritten in the form Now identify Y with .]
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Related Book For
Probability And Statistics For Engineering And The Sciences
ISBN: 9781133169345
8th Edition
Authors: Jay L Devore, Roger Ellsbury
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