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Expectation and Variance of a Random Variable - Video

This video lecture introduces the definition of expected value and does a discrete example. Then the definition of variance is given, and properties are discussed, including the variance of a linear function of a random variable.
Identifier: 
http://www.youtube.com/watch?v=ExOInocQfN8&feature=plcp
Rating: 
Average: 2.9 (266 votes)
Creator(s): 
Anthony Cookson
Cataloger: 
Lisa Green
Publisher: 
YouTube
Rights: 
Anthony Cookson