STAT 830 Convergence in Distribution - People.stat.sfu.ca - Simon ...
STAT 830 Convergence in Distribution - People.stat.sfu.ca - Simon ...
STAT 830 Convergence in Distribution - People.stat.sfu.ca - Simon ...
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ExampleSuppose X 1 ,...,X n are a sample from a population with mean µ,variance σ 2 , and third and fourth central moments µ 3 and µ 4 .Thenn 1/2 (s 2 −σ 2 ) ⇒ N(0,µ 4 −σ 4 )where ⇒ is notation for convergence <strong>in</strong> distribution.For simplicity I def<strong>in</strong>e s 2 = X 2 − ¯X 2 .Richard Lockhart (<strong>Simon</strong> Fraser University) <strong>STAT</strong> <strong>830</strong> <strong>Convergence</strong> <strong>in</strong> <strong>Distribution</strong> <strong>STAT</strong> <strong>830</strong> — Fall 2011 22 / 31